Endotrachea
[动]气管内层
🗣️ 情景例句
Well, you really saved the day for me, Alexandra.
你真的帮了我一个大忙， Alexandra。
Do not run too fast after gain.
不要见利就拼命追。
He had been obliged to join the army during the Second World War.
年龄比他两个弟弟大很多，第二次世界大战期间被迫参军。