Polysomnography
[医]多导睡眠描记法（术），多功能睡眠记录仪
🗣️ 情景例句
How much notice of cancellation is necessary to get my deposit back?
想把定金拿回来，要提前多长时间通知你才行？
Maybe they're farmers.
他们可能是农民。
Much to the aristocrat's amusement,
贵族感到非常好笑的是