Ectotrachea
气管外层
🗣️ 情景例句
Then, when shall we sign the contract?
那么，我们什么时候签合同？
I'm impressed by your approach to business.
你们经营业务的方法给我留下了很深的印象。
She was injured badly in the accident.
她在这次意外中受到重伤。