when the warm air( )from the ground,the cold air nearby rush
when the warm air( )from the ground,the cold air nearby rush
The h____ the ground is,the thinner the air become.
The Royal Air Force Station was nearby.It was ________them.
the hot air moves up__it gets cold
The ground is higher;the air is thinner
the cold air drained down onto the hill 怎样翻译
you'd better close the window and () the cold air ()
when were you air the room yesterday?
Warm smell of colitas rising up through the air.
in the air on the air
The smoke from the chimney has() the air here
1.The smoke from the car__the air.That's why the air is__..(