将双手放在你的腿上或腹部。

Put your hands on your legs or your belly.

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引流肺上叶的肺前段，把枕头放在你的腿上，让小儿仰卧在枕头上。

To drain upper lobes, anterior segments, place the child supine on a pillow in your LAP.

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可如果你的书桌不够长也不够宽，那么试着把键盘放在你的腿上，在前缘下面放一个小垫子。

If your desk isn't wide or deep enough, try setting the keyboard on your lap with a small cushion under the front edge.

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