Never microwave a whole egg without pricking the yolk with a toothpick to break the outer membrane.

用微波炉加热整个鸡蛋时，一定要用牙签把蛋黄刺破。

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This material retains the top or outer membrane of the hide, which contains dense, tight fibres that are water-resistant and supportive.

这种材料保留了动物皮革的顶层或者说外层表皮，这层表皮包含致密、紧绷的纤维，具有抗水和支持性能。

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Ion channels sit in a cell's outer membrane and let electrically charged atoms (ions, as they are known in chemical jargon) in and out of the cell.

离子通道位于细胞外膜，使带电荷原子(即化学术语中的离子)可以进出细胞。

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The best-studied method is for a cell to increase the number of molecular pumps in its outer membrane.

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This weak detergent kills spermatocytes essentially by poking holes in their outer membrane.

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CFTR, as its name suggests, sits in the outer membrane of a cell.

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