大脑周围的组织，一个三磅(1.4千克)重的钢盔状的一块脂肪和蛋白质，像海绵清洁制品一样皱皱的，密度跟酷乳差不多。

So is the surrounding tissue of her brain, a three-pound (1.4-kilogram), helmet-shaped bolus of fat and protein, wrinkled like a cleaning sponge and with a consistency of curdled milk.

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日冕的电离气体（又叫等离子体）不仅非常炙热，而且异常稀薄，其密度还不到组成太阳主体的氢气密度的十亿分之一。

As well as being very hot, the ionised gas of the corona (called plasma) has a superthin consistency. It is less than a billionth of the density of the hydrogen that makes up the main ball of the Sun.

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密度：液体。

Consistency: Liquid.

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