first aid common sense ; first aid general knowledge
安全急救常识 YAH
这位培训急救常识的老师或许就没指望这堂课能给这位神经学家教些什么，但斯科特却给这位老师上了一课。
The first aid tutor probably wasn't bargaining on instructing a professor of neuroscience on the course, but Scott put him right.
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