Tectrices
n. 覆羽（指蔽覆羽翮基部的羽毛）( tectrix的名词复数 )
🗣️ 情景例句
Richard is right.
Richard是对的。
Experience keeps no school, she teaches her pupils singly.
亲身经验，才是经验。
Can you help me?
你可以帮帮我吗？