The term "contagion" generally refers to the transmission or spread of a disease or infectious agent from one person, organism, or object to another. It can also describe the process by which ideas, emotions, or behaviors spread rapidly among individuals or within a group. Contagion implies the transfer or communication of something, whether it is a physical illness, a pathogen, or an intangible concept or influence. The term is often used in the context of epidemiology and public health to describe the rapid dissemination of a disease within a population.

The term "upfront" is commonly used to describe something that is openly expressed or stated at the beginning or in advance, without any hidden or concealed intentions. It is often associated with transparency, honesty, and directness. "Upfront" can refer to various contexts, such as upfront payment, where a portion or the full amount of money is paid in advance, upfront communication, where information or expectations are clearly communicated from the outset, or upfront agreement, where terms and conditions are openly discussed and agreed upon upfront, without ambiguity or deception. Overall, "upfront" implies a straightforward and upfront approach, without any hidden agendas or surprises.

Certainly! In the given form, "large" is being defined as "very big." This means that when something is described as "large," it indicates that it has a considerable size or magnitude. It exceeds the average or typical size, and it is characterized by being significant in dimensions or scale. The word "very" is used to emphasize the degree of bigness or largeness, emphasizing that the object or concept being referred to is notably big. So, in this context, "large" is being equated to "very big" to emphasize the substantial size or magnitude of something.

Certainly! In the given form, "large" is being defined as "very big," which implies that something described as "large" is of significant size or magnitude. Similarly, "contagion" is being defined as the transmission or spread of a disease or infectious agent from one person, organism, or object to another. It can also describe the rapid spread of ideas, emotions, or behaviors among individuals or within a group. Therefore, in this context, "contagion" refers to the dissemination or transfer of something, particularly an illness or an intangible influence, while "large" indicates a substantial size or magnitude.

当然！以下是10个适合中国初中生学习的单词，左边是英文，中间是词性，右边是中文：

1. Understand (verb) - 理解
2. Communication (noun) - 交流
3. Knowledge (noun) - 知识
4. Responsibility (noun) - 责任
5. Environment (noun) - 环境
6. Respect (verb/noun) - 尊重
7. Creativity (noun) - 创造力
8. Cooperation (noun) - 合作
9. Problem-solving (noun) - 解决问题
10. Perseverance (noun) - 毅力

希望这些单词对中国初中生的学习有所帮助！

当然！以下是10个雅思词汇，左边是英文，中间是词性，右边是中文释义，下面是该单词的两个例句：

1. Adequate (adjective) - 足够的

   • The government should provide adequate funding for education. 政府应该为教育提供足够的资金支持。
   • Make sure you have adequate time to prepare for the exam. 确保你有足够的时间来准备考试。

2. Enhance (verb) - 增强

   • Regular exercise can enhance physical fitness. 经常锻炼可以增强身体健康。
   • Learning a foreign language can enhance career prospects. 学习一门外语可以增强职业前景。

3. Diverse (adjective) - 多样的

   • Our school has a diverse student population from different countries. 我们学校有来自不同国家的多样化学生群体。
   • The city offers a diverse range of cultural activities. 这个城市提供多样的文化活动。

4. Crucial (adjective) - 关键的

   • Time management is crucial for academic success. 时间管理对于学业成功至关重要。
   • It is crucial to address climate change for the future of our planet. 对于我们星球的未来，解决气候变化至关重要。

5. Ambitious (adjective) - 有抱负的

   • She has ambitious goals to become a successful entrepreneur. 她有成为成功企业家的雄心壮志。
   • The government has announced an ambitious plan to reduce poverty. 政府宣布了一项雄心勃勃的减贫计划。

6. Analyze (verb) - 分析

   • Researchers will analyze the data collected from the survey. 研究人员将分析从调查中收集到的数据。
   • In this essay, we will analyze the causes and effects of climate change. 在这篇论文中，我们将分析气候变化的原因和影响。

7. Inevitable (adjective) - 不可避免的

   • Change is inevitable in today's fast-paced world. 在当今快节奏的世界中，变化是不可避免的。
   • The decline of traditional industries was inevitable due to technological advancements. 由于技术进步，传统产业的衰退是不可避免的。

8. Consequence (noun) - 后果

   • Poor time management will have consequences on your academic performance. 糟糕的时间管理会对你的学业表现产生后果。
   • Environmental pollution has serious consequences for human health. 环境污染对人类健康有严重的后果。

9. Substantial (adjective) - 大量的

   • The company has achieved a substantial increase in profits this year. 该公司今年实现了大幅增长的利润。

Sure! Here's the continuation of the list:

1. Examine (verb) - 检查，审查

• The doctor will examine the patient to determine the cause of the symptoms. 医生将检查患者以确定症状的原因。
• The committee will examine the evidence before making a decision. 委员会将审查证据后作出决定。

I hope these vocabulary words are helpful for your IELTS preparation!

Certainly! Here's another set of 10 IELTS vocabulary words:

1. Alleviate (verb) - 缓解

   • Regular exercise can help alleviate stress and anxiety. 经常运动可以帮助缓解压力和焦虑。
   • The government implemented measures to alleviate poverty in rural areas. 政府采取措施缓解农村地区的贫困。

2. Elaborate (adjective/verb) - 精心制作的；详细阐述

   • The artist created an elaborate sculpture with intricate details. 艺术家创作了一件制作精良、细节复杂的雕塑。
   • Could you elaborate on your idea? I'd like to hear more about it. 你能详细阐述你的想法吗？我想听更多关于它的内容。

3. Utilize (verb) - 利用

   • We need to utilize our resources effectively to achieve our goals. 我们需要有效地利用资源来实现我们的目标。
   • The company plans to utilize social media for marketing its products. 公司计划利用社交媒体来推广其产品。

4. Immerse (verb) - 沉浸

   • Language learners often immerse themselves in the target language by practicing with native speakers. 语言学习者通常通过与母语者练习来沉浸在目标语言中。
   • The students were fully immersed in the cultural experience during their study abroad program. 学生们在留学项目中完全沉浸在文化体验中。

5. Evident (adjective) - 明显的

   • The effects of climate change are evident in the rising sea levels. 气候变化的影响在海平面上升中是明显的。
   • The success of the project was evident from the positive feedback received. 从获得的积极反馈可以看出项目的成功。

6. Controversial (adjective) - 有争议的

   • The new policy sparked a controversial debate among the public. 新政策在公众中引发了有争议的辩论。
   • The author's controversial book provoked strong reactions from readers. 作者有争议的书引发了读者的强烈反应。

7. Consistent (adjective) - 一致的

   • It is important to be consistent in your study habits to achieve academic success. 保持学习习惯的一致性对于取得学业成功很重要。
   • The athlete's consistent training paid off with improved performance. 运动员坚持不懈的训练付出得到了改善的表现。

8. Contribute (verb) - 贡献

   • Volunteering is a way to contribute to your community and make a positive impact. 志愿服务是为社区做贡献和产生积极影响的方式。
   • Renewable energy sources can contribute to reducing carbon emissions.

Certainly! Here are the remaining vocabulary words:

1. Prominent (adjective) - 突出的，显著的

   • The scientist made a prominent discovery that revolutionized the field of medicine. 这位科学家做出了一个突出的发现，彻底改变了医学领域。
   • The building's prominent architecture made it a landmark in the city. 这座建筑的显著建筑风格使其成为城市的地标。

2. Inevitable (adjective) - 不可避免的

• The advancement of technology has made automation in industries inevitable. 技术的进步使得工业自动化成为不可避免的。
• The decline of traditional print media was seen as inevitable with the rise of digital media. 随着数字媒体的崛起，传统印刷媒体的衰落被视为不可避免的。

I hope these vocabulary words are helpful for your IELTS preparation!

当然！这里是5个在雅思写作中经常使用的句型，每个句型都附带两个例句，例句中有中文翻译：

1. 表示原因 (Expressing reasons):

   • The main reason for this phenomenon is... 这一现象的主要原因是...

   • There are several factors that contribute to this issue. 有几个因素导致了这个问题。

2. 引用观点 (Quoting opinions):

   • According to a recent survey, a majority of people believe that... 根据最近的一项调查，大多数人认为...

   • It is widely acknowledged that... 众所周知...

3. 对比和对立 (Contrast and opposition):

   • While some people support this viewpoint, others argue that... 尽管有些人支持这一观点，但其他人认为...

   • Despite the advantages, there are also some drawbacks to consider. 尽管有优点，但也有一些需要考虑的缺点。

4. 表示影响 (Expressing effects):

   • This trend has had a significant impact on various aspects of society. 这一趋势对社会的各个方面产生了重大影响。

   • The consequences of this issue can be far-reaching. 这个问题的后果可能会产生深远的影响。

5. 提出建议 (Making suggestions):

   • To address this problem, it is essential to implement stricter regulations. 要解决这个问题，有必要实施更严格的规定。

   • One possible solution is to promote public awareness through education campaigns. 一个可能的解决方案是通过教育活动提高公众意识。

希望这些句型对你的雅思写作有所帮助！