英语词汇“be hard at it”的意思、释义、用法及双语翻译-时代网

词汇	be hard at it
释义	请查阅词条:be hard at it/work
随便看	appropriate appropriately appropriateness appropriation approval approve approving approvingly approx approximate approximately approximation APR a pregnant pause/silence a pretty penny a price on somebody's head apricot April a priori apron apropos apt aptitude aptly aquamarine 四体四体不勤，五谷不分四分五裂四则四化四合院四周四呼四声四处四大皆空四季四平八稳四座四方四方步四时四海四肢四脚朝天四至四舍五入四起四边四边形

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