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
英文释义
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