吹牛谁不会：），那个数学课Advanced Vector Calculus，听群里的家长说好像很难，他没觉得。

来源: flagsix 于 2019-11-22 20:30:47 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.