Precalculus
a. & n.学习微积分前必修的(课程)
🗣️ 情景例句
the other half of my decision.
我这个决定的另一半。
My feeling is that you ought to stay home tonight.
我感觉你应该今晚呆在家。
Ann began to put the candles on her cake. Then she counted them.
安开始把蜡烛插到她的生日蛋糕上。插完，她数了数。