Ectotrachea
气管外层
🗣️ 情景例句
There's Mother and Grandpa ...
有妈妈和祖父呢……
Not only did I forget my train ticket, but I also forgot my passport.
我不仅忘了带火车票，还忘了带护照。
In the morning, Mr.Sawyer goes to work and the children go to school.Their father takes them to school every day.
早上，索耶先生去上班，孩子们去上学。父亲每天送孩子们去上学。