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单词 activity
释义 activity/ækˈtiviti/n. (pl. -ies) 1a the condition of being active or moving about 活动;能动性 b the exertion of energy; vigorous action 剧烈活动;活跃 2 (often in pl. 常用复数) a particular occupation or pursuit 某项活动,行业 outdoor activities 户外活动 3 = RADIOACTIVITY[French activité or Late Latin activitas (as ACTIVE)]
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