今天我在化学课上用腐蚀性的晶体做实验。
Today, I was doing a lab in chemistry involving caustic crystals.
这里需要提醒那些在化学课上打瞌睡的人,滴定法是计算溶液中物质浓度的一种方法。
Titration, to remind those who dozed through their chemistry lessons, is a way of working out the concentration of a substance in a solution.
——今天上午迈克尔在史密斯老师的化学课上迟到了。 ——怎么会呢?据我所知,他上课从不迟到。
—Michael was late for Mr. Smith's chemistry class this morning. —How come? As far as I know, he never came late to class.
上午的课程很少,在历史,或是化学课上需要用中文讨论,我发现我对此毫无准备,非常尴尬。
I had had a few classes that morning, and had found myself severely unprepared to talk about subjects like history and chemistry in Chinese.
上午的课程很少,在历史,或是化学课上需要用中文讨论,我发现我对此毫无准备,非常尴尬。
I had had a few classes that morning, and had found myself severely unprepared to talk about subjects like history and chemistry in Chinese.
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