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词汇	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	-algias algicide algicides algid Algiers algin alginate alginates alginic acid algins algo- algoid Algol ALGOL ALGOL algolagnia algolagnias algologies algology Algols Algonkian Algonkian Algonkians Algonkin Algonkin

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