Cosines
n. [数] 余弦
🗣️ 情景例句
The interview was fine.
面谈得很好。
I will see her home.
我会送她回家。
Economy is one powerful motive for camping, since after the initial outlay upon equipment,
图省钱是露营的一个主要动机，因为除了开始时购置或是租借一套露营装备外，