Precalculus
a. & n.学习微积分前必修的(课程)
🗣️ 情景例句
My dear little boy just looked up at me as if to say,
我亲爱的小男孩只是仰头看着我 ，好像在说，
To have a discussion with the committee
在委员会讨论
John asked Grace to marry him，
约翰向格雷斯求婚。