upgrade的中文意思、音标与词形变化

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