下坡downgrade详细»
下坡downgrade详细»
下坡descending grade;downhill grade;go downhill;minus grade;slope down详细»
下坡declivity;downhill;downwards;on the down grade详细»
下坡downhill详细»
下坡declivity;downwards详细»
下坡descent;down grade;down hill;downgrade详细»
下坡descent详细»
下坡down grade;downgrading;downslope详细»
下坡descending grade;downgrade详细»