英语词汇“be well up on sth”的意思、释义、用法及双语翻译-时代网

词汇	be well up on sth
释义	请查阅词条:be well up in/on something
随便看	traumatic traumatize travail travel travel agent travelled traveller travelling traverse travesty trawl tray treacherous treacherously treachery treacle treacly tread tread a difficult, dangerous, solitary, etc. path tread carefully, warily, etc. treadle treadmill tread on somebody's toes tread/walk a tightrope tread water 寒碜寒窗寒舍寒苦寒衣寒酸寒门寒露寒风寒食寓寓公寓居寓意寓所寓目寓言寔寖寝寝具寝室寝宫寝食寝食不安

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