Created from waterproof fabrics the pillow bottom keeps dry and clean.

枕头底部则由防水纤维制造，可以保持干净整洁。

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Dry foams are made of polyhedral bubbles; wet foams, as seen near the bottom, have rounder bubbles because liquid has inflated the Plateau borders and vertices.

干的泡沫由多边形的泡泡组成，而底部湿泡沫则都是圆形气泡，因为普拉托边界和顶点都充满了液体。

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But before you permit yourself a dry British chuckle at the news, we came fourth from bottom - apparently, we're simply not as funny as we think we are.

但是在你看到这一消息想发出几声英国式干笑之前，请注意英国人的幽默感排名倒数第四。显然，英国人根本不像自己所想的那么幽默。

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It draws out the solvents from the bottom-most layer of polish, leaving all the layers dry and hard, while conditioning cuticles with almond and jojoba oil.

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This was quite easy, because the sand at the bottom of the hole was very soft and fine and dry, like sea-sand.

NPR: Excerpt: 'Five Children and It'