upgrade

提高级别；提升

upgrade

升级, 上升, 上坡

往上

使升级, 提升, 改良品种

upgrade

1. an upward slope or grade (as in a road); "the car couldn't make it up the rise"

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

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3. a reservation that is upgraded; "I got an upgrade to first class when coach class was full"

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

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

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6. the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components); "the power plant received a new upgrade"

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1. rate higher; raise in value or esteem

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2. to improve, especially something that was old or outdated; "I've upgraded my computer so I can run better software"; "The company upgraded their personnel"

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3. give a promotion to or assign to a higher position; "John was kicked upstairs when a replacement was hired"; "Women tend not to advance in the major law firms"; "I got promoted after many years of hard work"

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4. get better travel conditions; "I upgraded to First Class when Coach Class was overbooked"

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5. give better travel conditions to; "The airline upgraded me when I arrived late and Coach Class was full"

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