Polysomnography
[医]多导睡眠描记法（术），多功能睡眠记录仪
🗣️ 情景例句
Nice to meet you, Dean Rafer.
很高兴见到你， Rafer主任。
It's faster but more expensive to ship goods by air.
空运较快但运费较高。
Neither of the men spoke.
两个人都没说过话。