The happy couple and their respective parents took to the floor.

那幸福的一对和他们各自的父母开始跳起舞来。

《柯林斯英汉双解大词典》

He slipped into the room, locked the door, and threw himself on the floor, happy at his escape.

他溜进房间，锁上门，扑倒在地板上，为自己的逃脱感到高兴。

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I am happy every morning when I wake up and hear his little nails clicking across the floor.

当每天早上起来就看到这小东西摇晃尾巴在地板上走路然后听到一阵咔哒咔哒声的时候，这让我很开心。

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People if you're coming in now, you can sit up here, or you even can sit on the floor up here. It's one big happy family.

刚进来的同学，可以坐在这，也可以坐在地上,这是个快乐的大家庭啊。

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Nearby is the 563-room Shangri-La, an ultramodern marble and glass tower hotel offering equally expansive rooms and views, free wi-fi, and a bar on the 36th floor with a very popular happy hour.

BBC: Business trip: Sydney