Unit 305
I think we have to take the stairs.
What happen to the elevator.
It is out of order.
What happen to the lift.
What happen to John.
What happen to your plan.
broken
My watch is broken.
The air-conditioner is out of order.
lavatory, water fountain,
My car is broken down.
My TV is broken.
n. 电梯,飞机升降舵,斗式皮带输送机