Arccosecant
un. 反余割
🗣️ 情景例句
It's find out eventually. It's just a matter of time.
他终究会发觉的。 这只是个时间问题。
Sloth turneth the edge of wit.
懒惰会磨去才智的锋芒。
Right from the start there was trouble with the Hubble.
从最开始哈勃望远镜就有问题。