名詞 upgrade:

1. an upward slope or grade (as in a road)
   同義詞：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
   同義詞：rise, rising slope
5. hardware that 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)

動詞 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 to improve what was old or outdated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
   同義詞：promote, advance, kick upstairs, raise, elevate
4. get better travel conditions
5. give better travel conditions to

1. Soon the truck come into sight around a bend and on an upgrade.
   不一會卡車就出現(xiàn)在一個拐彎和上坡處。
2. She was upgraded to (the post of) sales director.
   她已提升為銷售部主任。
3. The consulate was upgraded to embassy status.
   該領事館已升格為大使館。