Trachealis
[醫] 氣管肌(氣管背側部橫行的平滑肌纖維層)
??? 情景例句
When was your last day off?
上次休假是在什么時候？
A scientist has come up with a good idea. That's it!
科學家想起了一個好創意。就是這個！
Don't be that way!
別那樣！