DaisyYaoYao
He taught chemistry at a leading independent school.
他在一所重点私立中学教化学。
The effect on our blood chemistry is such that it produces physical changes in our entire body.
我们血液的化学成分所受影响很大,致使全身都发生变化。
Chemistry was par excellence the laboratory science of the early nineteenth century.
化学是19世纪初期最杰出的实验室科学。
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