Polysomnograph
多导睡眠图
🗣️ 情景例句
Don't you know it!
你说得没错。
How would I know?
我怎么知道？
Although mankind has undergone no general improvement in intelligence or morality, it has made extraordinary progress in the accumulation of knowledge.
虽然人类有智力和道德上没有得到普遍提高，但在知识积累方面却取得了巨大的进步。