一项来自瑞典的研究表明长方形、中间有下凹的颈枕能增加睡眠质量，同时减少颈部酸痛。

One Swedish study found that neck pillows, which resemble a rectangle with a depression in the middle, can actually enhance the quality of your sleep as well as reduce neck pain.

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长方形气枕表面有三条大小深浅不同的横圆柱，排列呈波浪形状。

There are three cross-columns of different depths in the surface of the Air Pillow which are arranged flexuously.

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长方形气枕表面有三条大小深浅不同的横圆柱，排列呈波浪形状。

There are three cross-columns of different depths in the surface of the Air Pillow which are arranged flexuously.

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