| 例句 |
Aircraft can avoid each other by going up and down, as well as by altering course to left or right.飞机可以通过上下升降和左右移动改变航线来避免相撞。His chairs can swivel, but they can't move up or down.他的椅子能旋转，但是不能升降。She drew/plotted a graph showing the rise and fall in temperature during the month.她绘制了曲线图标出了这个月气温的升降变化。It takes three nurses and a hoist to get me from bed into this chair.叫了三个护士并用了一架升降移位机才把我从床上放到这把椅子上。The grain flowed smoothly down the elevator chute.谷物源源不断地进入下面的升降槽。An elevating motor is used in the unit.该单元采用电机升降。Firefighters with heavy lifting gear battled to free the survivors from the wreckage.消防队员带上很重的升降起重装置，奋力解救废墟里面的幸存者。 |