短语词组短语slow -up 减速;慢化;明显减弱slow break up 慢攻Slow -up hillside terrace 缓坡梯地Slow warm -up 滑动接头Slow start -up 慢启动slow down slow up 慢下来;减低速度slow up slope 缓慢上斜坡度slow ramp -up 缓慢的上升 返回 slow up