I'd like to join an aerobics class to improve my fitness.

我想进一个有氧运动班来增强我的体质。

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I've joined an aerobics class.

我参加了有氧健身班。

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The dancing is uninhibited and as frenzied as an aerobics class.

跳舞都放开了，像健身课那样尽情。

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And maybe best of all, I now had time to go to an evening aerobics class.

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After an aerobics class at the Swarthmore Community Center, retired teacher Susan Larson told us she demonstrates against the war.

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Authorities believe Sodini targeted the aerobics class, because a schedule was found in his home with that class circled, Moffatt said.

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