Photostethoscope
[医] 光波显音器(观察胎儿心搏用)
🗣️ 情景例句
Are you all right?
你怎么了？
I'm too slow.
我太慢。
Well done, everyone, and congratulations to the winners.
你们个个表现出色，我谨向获胜者表示祝贺。