squat-and-straighten-up exercise
对牛弹琴 play the harp( (lute) to a cow; cast pearls before a swine 蹲起运动 squat-and-straighten-up exercise 多退少补 refund for any overpayment or a supplemental payment for any deficciency ..
基于4个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress