Mesodmitis
[医] 纵隔炎
🗣️ 情景例句
I would like to charge this.
我想用信用卡付账。
What are you doing?
你在干什么？
The comparable speed from the Moon is only 1.5 miles per second.
而从月球出发的相应速度只是每秒1。5英里。