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单词	extravehicular activity
释义	ex·tra·ve·hic·u·lar activity AHD[ĕk'strə-vē-hĭkʹyə-lər] D.J.[ˌekstrəviːˈhɪkjələ]K.K.[ˌɛkstrəviˈhɪkjəlɚ]n.（名词）abbr. EVA【缩写】extravehicular activityastronaut Randy Bresnik on a mission at the International Space Station inNovember 2009 Activity or maneuvers performed by an astronaut outside a spacecraft in space.太空中的宇航员在宇宙飞船外的活动
随便看	finger millet fingernail finger-paint finger painting fingerpick finger pick finger-pointing finger-pointing finger post fingerprint fingerprint fingers fingerspelling fingertip finger wave finger–paint finger–pointing finial finial finials finical finickier finickiest finicky fining

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