They require little water, perhaps because they obtain much of their moisture from their food.

可能由于它们从食物中摄取大部分的水分，它们几乎不需要水。

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One challenge that squirrels face, well many small mammals do, is that because of their size, sweating would make them lose too much moisture.

松鼠面临的一个挑战是，因为它们体型小，出汗会使它们失去太多水分，其他许多小型哺乳动物也面临着这样的问题。

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"Dairy adds the moisture and keeps the protein from seizing up so much," she said.

“奶制品可以增加水份，保留更多的蛋白质。”她说。

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This means that the plant doesn't need to draw as much moisture from the soil.

ECONOMIST: Climate change (I)

"Generally, our problem in Middle Tennessee is that we have too much moisture in the spring, " Cook says.

NPR: Tennessee Drought Stunts Growth of Local Crops

Through May and early June his curds got better but didn't retain as much moisture as he would like.

WSJ: It's Easy to Be Cowed When Trying to Milk a Water Buffalo