A Rules in the Lab 实验室行为规则
You must know the lab rules before the first lab lessons.
在上第一堂实验课之前,你必须了解实验规则。
The lab staff shall keep the lab clean according to the lab rules and regulations.
实验人员须按实验室规章制度做好实验室清洁工作。
Listen carefully when your teacher reads and explains the rules before your first lab lesson.
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。
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