Precalculus
a. & n.学习微积分前必修的(课程)
🗣️ 情景例句
Well, glad to meet you.
是吗，很高兴认识你。
What's the date today?
今天几号？
The driver gave him a few biscuits and a cup of coffee and left him just outside the city.
司机给了他几块饼干和一杯咖啡，就把他丢在了城外。