She instructs music once a week at a middle school.她在中学每周教一次音乐课.Dr. Williams instructs us in botany.威廉博士教我们植物学.She instructs a class in chemistry.她给某班学生上化学课....
毡袜子有好多地方都磨穿了, 两只脚皮开肉绽,都在流血.The blanket socks were worn through in places, and his feet were raw and bleeding.他穿着一件破旧的上衣,肘部已经磨穿.He wore a tattered coat with holes in the elbows.我的鞋跟把我的汽车里加速器下面的地毯磨穿了.My heel wore through t...