Precalculus
a. & n.学习微积分前必修的(课程)
🗣️ 情景例句
How about going out for a bit to eat?
去吃点东西怎么样？
Have but few friends though many acquaintances.
朋友要少，熟人要多。
For example, Lily likes to dance, but I like to sing.
比如，莉莉喜欢跳舞我却喜欢唱歌。