这些常见的添加剂能增加并锁住水分。

These common additives moisturize and lock in hydration.

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严实覆盖物可以锁住水分防止洋葱完全晒干。

Heavy coverings will trap moisture and keep the Onions from drying fully.

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这就是为什么我们称之为：补水。如果你试图皮肤保持湿度或者锁住水分。

That's why they call it "moisturizing" -because you're trying to lock moisture, aka water, into your skin.

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