n. the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
n. the chemical composition and properties of a substance or object
n. the way two individuals relate to each other
n. 化学, 化学过程
[化] 化学
1. Chemistry is the study of matter and its changes.
化学是研究物质及其变化的学科。
2. I enjoy learning chemistry because it explains how things work.
我喜欢学习化学，因为它解释了事物是如何运作的。
3. In my chemistry class, we conducted an interesting experiment.
在我的化学课上，我们进行了一个有趣的实验。