碱性的海水使得胶质在30秒内凝结为泡沫，并在几小时内变为柔韧的皮状表面。

Seawater, however, is alkaline. This alkalinity causes the glue to set. It solidifies into a foam within 30 seconds and becomes a flexible, leathery substance over the course of several hours.

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碱性的海水使得胶质在30秒内凝结为泡沫，并在几小时内变为柔韧的皮状表面。

Seawater, however, is alkaline.This alkalinity causes the glue to set.It solidifies into a foam within 30 seconds and becomes a flexible, leathery substance over the course of several hours.

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棱皮龟通过将鳍状肢底部的血管排列成逆流交换系统来完成这一过程。

The leatherback accomplishes this by arranging the blood vessels in the base of its flipper into a countercurrent exchange system.

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