Pneumohypoderma
皮下气肿
🗣️ 情景例句
That's it.
就这样。
We are mutual friends.
我们彼此是朋友。
Everybody on board was worried and we were curious to find out what had happened.
飞机上的人都很着急，大家都急于想知道究竟出了什么事。