People who live in tall buildings have to take the e____ up and down every d
问题描述：
People who live in tall buildings have to take the e____ up and down every d
答
elevator ,电梯
答
elevator 电梯
答
elevator n.电梯.
住高楼的人们得每天乘电梯上下楼.
答
elevator .电梯，升降机