Arccosecant
un. 反余割
🗣️ 情景例句
on the school board,
在联合校董会中
The baby liked to feel the touch of her shiny, new toy.
小宝宝喜欢新玩具闪闪发光的触感。
Do you think our manager is going to have a new factory built?
你认为咱们经理会打算建造一家新工厂吗？