当全年的雪都融化时，部分冰帽就会暴露在外面。

When the annual snow is melted away, parts of the ice cap are exposed.

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他的两胁都暴露在外面。

His whole side's exposed.

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此外，嘴唇有别于身体其他部位的皮肤(有衣蔽体)，嘴唇经常暴露在外面。

What's more, unlike much of the rest of our body, our lips are almost always on display, and rarely covered by clothing.

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