轻型车的英文：
kei
轻型车
We have a key for the door of the house and a key for starting the car.
我们有房间门的钥匙和发动汽车的钥匙。
I left the key in the lock.
我把钥匙留在锁上，忘了取下来。
He fished in the bag for the keys.
他在袋子里摸找钥匙。
This is a key laboratory of atmosphere sounding.
这是个大气探测重点实验室。
Idleness is the key of beggary
懒汉出乞丐