Midsternum
[医] 胸骨体
🗣️ 情景例句
OK.
好。
Excuse me for that.
对不起我为那件事。
'He had travelled only seven miles across the Channel when his engine failed and he was forced to land on sea.
但他只在海峡上空飞行7英里，引擎就发生了故障，他只好降落在海面上。