妈妈正在看电视
Mother is watching TV
以上为机器翻译结果，长、整句建议使用 人工翻译 。
他的妈妈正在看电视。
His mother is watching TV.
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当妈妈正在做饭时，我在看电视。
While my mother was cooking , I was watching TV.
妈妈正在打扫房间，与此同时，爸爸正在看电视。
Mother was cleaning the room, and meanwhile, Father was watching TV.
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