compounds

compounds

形容词： 1. additional, complex, difficult, organic, synthetic, volatile 2. 合成的，复杂的，有机的，合成的，不稳定的 名词： 1. chemical compounds 化合物 2. noun compounds 名词复合词

词语辨析：

compounds 和其他词语的辨析 1. compounds vs. mixtures - Compounds are substances formed by the chemical combination of two or more elements in fixed proportions. 化合物是由两个或更多元素在固定比例下化学结合形成的物质。 - Mixtures, on the other hand, are a combination of two or more substances that are not chemically bonded and can be separated physically. 另一方面，混合物是两种或更多物质的组合，它们没有化学键结合，可以通过物理方法分离。

词汇扩充：

1. compound noun 复合名词 2. compound sentence 复合句 3. compound interest 复利 4. compound microscope 复合显微镜 5. compound word 复合词

近义词：

1. mixture 2. combination 3. composite

反义词：

1. element 2. single

柯林斯词典：

compounds (名词) - 化合物

牛津词典：

compounds (名词) - a thing that is composed of two or more separate elements; a mixture.

用法：

名词： 1. Chemical compounds can be classified as organic or inorganic. 化合物可以分为有机化合物和无机化合物。 2. The laboratory is researching new compounds for use in medicine. 实验室正在研究用于医药的新化合物。 动词： 1. The reaction compounds the problem. 反应使问题复杂化。

例句：

1. The compound is highly volatile and should be handled with care. 这种化合物非常不稳定，应小心处理。 2. This compound has a complex molecular structure. 这种化合物具有复杂的分子结构。 3. The chemist synthesized a new organic compound. 化学家合成了一种新的有机化合物。 4. The compounds in this mixture can be separated using distillation. 这种混合物中的化合物可以通过蒸馏分离。 5. The compound noun "blackboard" is formed by combining the words "black" and "board." 复合名词“黑板”由单词“黑色”和“板子”组成。 6. The sentence "She is a high-school student who loves playing the piano" is a compound sentence. 句子“她是一个热爱弹钢琴的高中生”是一个复合句。 7. The compound interest on the investment grew significantly over time. 投资的复利随着时间的推移显著增长。 8. The compound microscope allows for greater magnification than a simple microscope. 复合显微镜比简单显微镜有更大的放大倍数。 9. "Sunflower" is an example of a compound word. “向日葵”是一个复合词的例子。 10. The compound is made up of hydrogen and oxygen atoms. 这种化合物由氢和氧原子组成。 11. The mixture contains compounds that are toxic to plants. 这种混合物中含有对植物有毒的化合物。 12. The compound formed by the reaction has a distinct smell. 反应生成的化合物有一种独特的气味。 13. The compound of hydrogen and carbon is commonly known as methane. 氢和碳的化合物通常被称为甲烷。 14. The compound sentence is composed of two independent clauses joined by a conjunction. 这个复合句由两个由连词连接的独立从句组成。 15. The compound interest on the loan increased the total amount owed. 贷款的复利增加了所欠总额。 16. The compound microscope allows for detailed observation of small organisms. 复合显微镜可以对小生物进行详细观察。 17. "Lifelong" is an example of a compound word formed by combining "life" and "long." “终身”是由“生命”和“长”的组合而成的复合词的例子。 18. The compound is unstable and may explode if heated. 这种化合物不稳定，如果加热可能会爆炸。 19. The reaction compounds the difficulty of the situation. 反应使情况变得更加困难。 20. The compound noun "firefighter" is used to describe someone who fights fires. 复合名词“消防员”用来描述一个灭火员。