up-grading
英
['ʌpɡr'eɪdɪŋ]
美
['ʌpɡr'eɪdɪŋ]
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动词 upgrade:
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rate higher; raise in value or esteem
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to improve what was old or outdated
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give a promotion to or assign to a higher position
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get better travel conditions
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give better travel conditions to
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以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌