今天是妈妈的生日。我给妈妈买了一个漂亮的大蛋糕，为她唱一首歌，祝她生日快乐。

Today is mother's birthday. I give mother bought a nice big cake, and sing a song for her, wish her a happy birthday.

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今天早上我本应当大电话给凯特，但是我却忘记了。

I ought to have phoned Kate this morning, but I forgot.

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今天我想给女朋友一个惊喜的大拥抱，四处找找，发现她背对着我在大厅里跟朋友们聊天。

Today, I thought I'd surprise my girlfriend with a bear hug. I found her in the hall with her back to me talking to friends.

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