Precalculus
a. & n.学习微积分前必修的(课程)
🗣️ 情景例句
I haven't decided whether I will go camping or not, but it is certainly possible.
我还没决定是否去露营，但还是有可能去的。
Since we need the goods urgently, we must insist on express shipment.
由于我方急需这批货物，我方坚持使用快递装运。
That's good. I think I'll sow my carrot seed tomorrow.
好呀，我想明天播胡萝卜种。