Precalculus
a. & n.学习微积分前必修的(课程)
🗣️ 情景例句
You do? Really? It won't be any trouble?
有， 真的， 不会有任何麻烦？
Did you see the special last night?
昨晚你看特别节目了吗？
What is the most popular food in the USA? I think it is fried chicken.
在美国什么食品最受欢迎呢？我认为是炸鸡。