Ectotrachea
气管外层
🗣️ 情景例句
A kind of a fifty-year anniversary reunion.
等于是五十周年重逢聚会。
How often did I tell you not to yell in the house?
我告诉你多少次不要在房子里大叫?
Nobody! She taught herself.
没有人（教）！她是自学的。