Ectotrachea
气管外层
🗣️ 情景例句
I consider him a genius.
我认为他是天才。
Do you ever work at the factory on Sunday?
你曾经在星期日在工厂工作吗？
Idealists have objected to the practice of camping, as to the packaged tour,
理想主义者像反对旅行社安排一切的一揽子旅游一样反对露营的作法，