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单词
knuckle down
释义
knuckle down
verb intrans
to apply oneself earnestly
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upheaval
upheave
upheld
uphill
uphold
upholster
upholsterer
upholstery
up in arms
up in the air
upkeep
upland
uplift
uplighter
upload
up-market
upmost
upon
upper
upper case
upper-case
upper chamber
upper class
upper-class
upper crust
英语词典包含66266条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2025/12/25 7:03:55