n. 上坡, 升级, 上升

adv. 往上

vt. 使升级, 提升, 改良品种

vi. 升级

[计] 升级

n. software that provides better performance than an earlier version did

n. a reservation that is improved

n. the property possessed by a slope or surface that rises

n. hardware that provides better performance than an earlier version did