He observed that the infants had significantly more quiet sleep on the waterbed.
他观察到婴儿在水床上能明显地睡得更加安详。
Oh! It's like the Earth is a giant waterbed. When you lie down on it, the surface of the mattress under you sinks, forcing the water into other parts of the mattress.
噢，就类似说地球是一个巨大的水床。你躺在上面的时候，你压着的床垫表面就会下沉，迫使这些水流到床垫的其他部位去。
Oh! It's like the Earth is a giant waterbed. When you lie down on it, the surface of the mattress under you sinks, forcing the water into other parts of the mattress.
噢，就类似说地球是一个巨大的水床。你躺在上面的时候，你压着的床垫表面就会下沉，迫使这些水流到床垫的其他部位去。
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