爱华网升级, 上升, 上坡
adv.
往上
vt.使升级, 提升,改良品种
英英解释:名词upgrade:
1. an upward slope or grade (as in a road)
同义词：ascent,acclivity,rise,raise,climb
2. software that provides better performance than an earlier version did
3. a reservation that is improved
4. the property possessed by a slope or surface that rises
同义词：rise,rising slope
5.hardwarethat provides better performance than an earlier version did
6. the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components)
动词upgrade:
1. rate higher; raise in value or esteem
2. to improve what was old or outdated
3. give a promotion to or assign to a higher position
同义词：promote,advance,kick upstairs,raise,elevate
4. get better travel conditions
5. give better travel conditions to
6.raise sb/sth to a higher grade or rank
例句：She was upgraded to （the post of ）sales director.
她已提升为销售部主任
