Cosines
n. [数] 余弦
🗣️ 情景例句
I know they are.
我知道他们会。
How much does it cost to rent a mid-size car?
租一辆中型汽车要多少钱？
When Aunt Huang came back, I was so tired. In the evening Liu Ming came to see me.
当黄阿姨回来的时候，我累极了。晚上刘明来看我。