当你的老师在你的第一堂实验课前阅读和解释规则时，请仔细听。
Listen carefully when your teacher reads and explains the rules before your first lab lesson.
我有一次上了一堂课当我是研究生时应该关于怎样教导。
I took a class once on how to teach when I was a graduate student.
这是我的第一堂课的第一时间体会到的。
That is what the first moments of my very first class were all about.
这是我的第一堂课的第一时间体会到的。
That is what the first moments of my very first class were all about.
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