垫: Ⅰ动词1.(用东西支、铺或衬, 使加高、加厚或平正) put sth. under sth. else to raise it or make it level; fill up; pad 短语和例子垫路 repair a road by filling the holes; 桌子腿底下垫点纸就平了。 put a wad of paper under the leg of
紧: Ⅰ形容词1.(物体受到几方面的拉力或压力以后呈现的紧张状态) taut; tight 短语和例子把绳子拉紧 pull the rope taut; 弓弦绷得很紧。 the bowstring is stretched taut.2.(物体受外力作用变得固定或牢固) fast; firm 短语和例子把螺丝拧紧 tighten the screw; 把门关紧 make the