chemistry的音标是[ˈkemɪstrɪ] ,基本翻译是化学,速记技巧可以是“克美死瑞”。
化学(chemistry)这个词源于希腊语,意为“物质的变化和转化”。其变化形式包括名词、形容词和动词。
名词:chemistry(化学)、compound(化合物)、element(元素)等。
形容词:chemicall(化学的)等。
动词:chemically(用化学方法)等。
相关单词有:
1. atomic(原子的):这个词源于希腊语,意为“基本的、原始的”。在化学中,原子是构成物质的最小单位。
2. molecule(分子):这个词源于拉丁语,意为“最小的单位”。分子是构成物质的基本单位,它们由原子通过化学键结合而成。
3. inorganic(无机的):这个词源于希腊语,意为“非生物的、非自然的”。在化学中,无机的物质通常是由非生命物质组成的,如金属和酸。
4. biology(生物学):这个词与化学密切相关,因为它研究的是生命物质的性质和结构。生物学中的许多概念和理论都与化学有关,如新陈代谢、生物合成等。
5. biochemistry(生物化学):这个词结合了生物学和化学,研究的是生命的化学过程和物质。
6. catalyst(催化剂):这个词源于希腊语,意为“加速者”。催化剂在化学反应中起着关键作用,可以加速反应过程而自身不发生变化。
7. reaction(反应):这个词源于拉丁语,意为“变化、反应”。在化学中,反应是指物质之间相互作用的过程,通常伴随着能量的转化和物质的变化。
8. compound(化合物):这个词由两个拉丁词组成,意为“组合、混合”。在化学中,化合物是由两种或更多种不同元素组成的物质。
9. element(元素):这个词源于希腊语,意为“原始的、基本的”。在化学中,元素是指具有相同核电荷数的一类原子的总称。
10. chemical(化学的):这个词源于拉丁语和希腊语,意为“物质的、变化的”。在日常生活中,我们通常将与化学相关的活动和知识统称为“化学的”。
常用短语:
1. chemical reaction 化学反应
2. chemical formula 化学式
3. chemical compound 化合物
4. chemical element 化学元素
5. chemical equation 化学方程式
6. chemical balance 化学天平
7. chemical analysis 化学分析
双语例句:
1. The chemical reaction between acids and bases produces a change in pH levels. (酸碱反应导致pH值的变化。)
2. The chemical formula for water is H2O, which represents the hydrogen and oxygen atoms that make up the molecule. (水的化学式为H2O,代表构成分子的氢和氧原子。)
3. The chemical compound oxygen is essential for life processes as it is a vital component of the atmosphere. (氧气是一种化学化合物,对生命过程至关重要,因为它是大气的重要组成部分。)
4. Chemical elements are fundamental building blocks of matter, such as carbon, nitrogen, and oxygen. (化学元素是物质的基本构建块,如碳、氮、氧等。)
5. Chemical equations help us understand the relationship between substances and how they interact with each other. (化学方程式帮助我们理解物质之间的关系以及它们如何相互作用。)
6. Chemical balances are used to ensure precise measurements in laboratory settings. (化学天平在实验室环境中用于确保精确测量。)
7. Chemical analysis is used to identify substances and determine their composition. (化学分析用于识别物质并确定其组成。)
英文小作文:
The Chemistry of Life
Chemistry is the study of the interactions between substances and the changes that occur as a result of these interactions. From the smallest particles of atoms to the largest molecules, chemistry plays a crucial role in our world.
For example, chemical elements are the building blocks of matter, while chemical compounds form complex substances such as water, oxygen, and carbon dioxide, which are essential for life processes. Chemical reactions occur when substances come into contact with each other, producing energy and new substances. These reactions are essential for life as they provide energy for cellular functions and maintain the balance of chemical species within the body.
Chemistry also plays a role in our daily lives. Chemical formulas and equations help us understand the relationship between substances and how they interact with each other, while chemical balances ensure precise measurements in laboratory settings. Chemical analysis is used to identify substances and determine their composition, which is crucial for ensuring the safety and reliability of products such as food, drugs, and materials.
In conclusion, chemistry is an essential discipline that underpins our world and plays a crucial role in maintaining life"s balance. Understanding chemistry allows us to make informed decisions about our health, safety, and environment, while also contributing to advances in medicine, technology, and industry.