The skeleton consists of differently shaped bones held together by ligaments.人体骨架是由依靠韧带连接的形状相异的骨头构成。He suffered torn ligaments in his knee.他膝关节韧带拉伤了。He must have a major operation on his knee to mend severed ligaments.为了...
骑墙是不行的.Sitting on the fence will not do.那个政客老是采取骑墙态度.That politician is always triming.预测家对本周六路易斯安那州州长竞选的结果骑墙观望，多手下注。Forecasters are hedging their bets about the outcome of this Saturday's Louisiana governor's ...
Lillian was coming down the ramp from the museum.莉莲正从博物馆那边的斜坡上走下来。That driver drove the car up the ramp.那司机将车开上了斜坡.This marble ramp weighs one ton.这个大理石台阶重一吨....