我父母正在看电视。

My parents are watching TV.

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我父母在看电视的时候，我正在玩电脑游戏。

While my parents were watching TV, I was playing a new computer game.

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我父母在看电视的时候，我正在玩电脑游戏。

While my parents were watching TV, I was playing a new computer game.

youdao