Precalculus
a. & n.学习微积分前必修的(课程)
🗣️ 情景例句
Michelle, would you like to try the crab salad, too? Michelle
要不要也试试蟹肉沙拉？
How much is the interest a year?
每年利息多少？
I'm very sorry. I borrowed a book from the library two weeks ago.
“很对不起。两周前我从图书馆借了一本书。