摘要： active adj.积极的.灵活的.活性的 Over seventy as he is, he is still active. I can’t tell whether it is an active volcano. 拓展: be active in在--方面活跃.积极参加 take an active part in积极参加 act n./v.行为.举动.行动 action n.行为.做法 activity n.活动 actor/ actress n.演员

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