Precalculus
a. & n.学习微积分前必修的(课程)
🗣️ 情景例句
This one really brings back memories.
这一张的确唤起了许多的回忆。
Don't be so sure.
话别说得太满。
Over the periods their saliva, a mild, digestive juice like our own, was converted into a poison that defies analysis even today.
蛇的唾液本来和我们人的消化液一样柔和，但经过漫长的时间，演变成了今天仍无法分析清楚的毒液。