chemistry ['kemistri]
n.
1.化学
2.化学性质，化学反应，化学现象；化学过程
3.（彼此间的）关系
例句：
1.He is mugging up on his chemistry for the final examination.
为了应付期末考试，他正在拼命突击化学。
2.Our chemistry teacher rears all kinds of birds.
我们的化学老师养着各种鸟。
3. We have literally altered the chemistry of our planet's atmosphere.
我们实际上改变了地球大气层的化学成分。
4.Their chemistry was wrong from the beginning -- they hated each other.
他们的关系从一开始就不好——他们彼此厌恶。