Tectrix
n. [鸟]覆羽(指蔽覆羽翮基部的羽毛)
🗣️ 情景例句
This is my mother.
这是我母亲。
It was not until the accident happened that I became aware of my own foolishness.
直到事故发生我才意识到我自己的愚蠢。
Yesterday a beggar knocked at my door.
昨天一个乞丐来敲我的门，