up down meaning in English
有起伏的球路
Examples
- Trade in leather has gone up down
皮革贸易上升下降了百分之三 - Seat adjustment : up down , fore
-座椅可调节高度及前后位置- - Puked up down in morbid faith
反复地唾弃病态的宗教信仰 - Easy operation , with up down key
键，操作容易 - Up down arrow : select period
上下键：选择运