Use pillows to prop yourself on your side, or attach a tennis ball with a rubber band to the back of a T-shirt to keep from turning over on your back.

用枕头支撑着保持侧身躺，或者用橡皮筋在你体恤衫的后面系一个网球来防止你仰面躺着。

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They stand back to/t?/ back.

他们背对背站着。

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They stand back to/t?/ back.

他们背对背站着。

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