我从我的化学老师那里，学到了如何在做实验时注意仔细观察。

It was from my chemistry teacher that I learnt how to watch carefully when doing experiments.

化学老师清楚地解释了实验。

The chem teacher explained the experiment clearly.

化学老师展示了如何使用烧瓶。

The chemistry teacher demonstrated how to use a flask.

黛安娜是名化学老师。

Diana was a chemical teacher.

化学老师: 什么是水?

Chemistry teacher: What is water?

化学老师称出一盎司化合物。

The chemistry teacher weighed out one ounce of the compound.

化学老师出了点奇怪的事情。

Something strange has happened to the chemistry teacher.

化学老师问学生，水是由什么组成的。

COMPOSE】The chemistry teacher asked the students what water is composed of.

那位化学老师很严厉还是很好相处?。

Is that chemistry teacher strict or easy-going?

这些我应该感谢我的第一位化学老师。

I should thank my first chemistry teacher for this.