Shark skin is made of tiny scales known as dermal denticles that can be seen here.

鲨鱼的皮肤是由被称之为肤齿的微小鳞屑所构成。

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An electron micrograph reveals sharkskin's secret to speed: tooth-like scales called dermal denticles.

电子显微照揭示了鲨鱼皮的速度奥秘，“牙状鳞片称为皮肤的细齿，水通过密纹而没有翻滚”鲨鱼研究员乔治·伯吉斯说。

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Unlike the skin of whales and manatees, shark skin doesn't pick up algae or barnacles. This seems to be due to little scales called "dermal denticles."

与鲸类和海牛这些海生哺乳动物不同，鲨鱼的皮肤不会附生海藻或藤壶，这可能要归结于其皮肤上被称之为“肤齿”的微小鳞屑。

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