Versine
(=versed sine)[数]正矢
✅ 同义词
🗣️ 情景例句
Hey, leaving me?
嗨 ，丢下我啦？
I know the boy whose father is a missionary.
我知道那个男孩的父亲是传教士。
He had a good many friends here.
他在这儿有很多朋友。