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....
有人把一大块石头给凿空了。Someone had hollowed out a large block of stone.司马迁把这一历史性的壮举形象地描绘为“凿空”.Sima Qian visualized this feat as blazing the path into the west regions....