noun碰撞,相撞;(落下或碰撞的)巨响
verb碰撞,撞击;(落下或撞击时)发出巨响;(电脑)死机
nounan accident in which a vehicle hits something
nouna loud noise when something falls or hits another thing
verbto have an accident in a vehicle and hit something
verbto fall or hit something with a loud noise
verbIf a computer crashes, it suddenly stops working