additivity

additivity 的音标是[əˈdɪsɪtɪtɪvɪtɪ]，基本翻译是“累积性，增加性”。

速记技巧：add+additivity=增加性。

Additivity 的英文词源是拉丁语 additus，意为“添加的”。它的变化形式包括 adjective（形容词）、adverb（副词）、adjective participle（形容词分词）等。相关单词包括 addition（添加）、additionally（另外地）、addict（上瘾）、address（地址）、addictive（上瘾的）、addictive behavior（上瘾行为）等。

Additivity 在英语中通常指多个因素或成分的累积效应，即多个因素同时存在并产生影响。这个词在心理学、社会学、经济学等领域都有广泛的应用，因为它可以帮助我们更好地理解和分析复杂的社会现象和行为。

总的来说，additivity 是一个具有丰富内涵的英语词汇，它反映了人类社会中多样性和复杂性的特点，同时也为我们的研究提供了有力的工具。

常用短语：

1. add to

2. add up

3. add up to

4. addictive behavior

5. additional cost

6. additive effect

7. additive value

双语例句：

1. Adding salt to food adds flavor.

2. The extra workload added up to a huge pressure.

3. His addictive behavior led to his failure in the exam.

4. The additional cost of the project is beyond our budget.

5. The additive effect of exercise and healthy eating leads to better health outcomes.

6. The value of a good friend is not measured by their wealth, but by their loyalty and additivity.

7. The joy of spending time with family is greater than the sum of its parts.

英文小作文：

Additivity: The Power of Together

Additivity is the power of togetherness, the joy of sharing experiences, the happiness of companionship, and the value of collective effort. It is the essence of community, the glue that binds us together, and the force that drives us forward.

In our lives, we encounter moments where the sum of our parts is greater than the whole. It could be the joy of a group of friends laughing together, the satisfaction of working together to achieve a goal, or the happiness of spending time with family. These moments are fleeting, but they leave a lasting impact on us, reminding us that togetherness is more powerful than any individual effort.

Additivity is not just about numbers or quantity, but about quality and meaning. It is about connecting with others, about feeling understood and understood by others, about sharing our experiences and learning from each other. It is about creating something beautiful out of nothing, about making a difference in someone else"s life, and about realizing our own potential by working together.

Additivity is not just a concept, but a way of living, a way of being, and a way of loving. It is about appreciating the moments that make life worth living, about cherishing the people who make life worth living, and about realizing that togetherness is the key to unlocking our full potential and realizing our dreams.