Tectrix
n. [鸟]覆羽(指蔽覆羽翮基部的羽毛)
🗣️ 情景例句
Which band of College English Test have you passed?
大学英语考试过了几级？
Kindness is the golden chain by which society is bound together.
善良是连结社会的金链。
The problem is finding land for it.
问题是要找到土地来修建厂房。