Tectrix
n. [鳥]覆羽(指蔽覆羽翮基部的羽毛)
??? 情景例句
The teacher flunked him in geography.
老師給他的地理打不及格。
I'm looking forward to seeing you.
我期待著和您見面。
We are always willing to cooperate with you and if necessary make some concessions.
我們總是愿意合作的，如果需要還可以做些讓步。