The clear layer is glycerin.

干净的那层是甘油。

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An estimated 6 million Americans have undergone Lasik surgery, which permanently reshapes the cornea, a clear layer covering the eye.

据估计有六十万的美国人做过激光手术，这个手术改造覆盖在眼睛表面的一层透明的膜——角膜。

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In precursors, clear layer structures are observed, especially some regular single and double helix nano rod, which are noble self-assemble structure.

前驱体中有多孔结构、良好的层状结构、特别是非常规则的单螺旋及双螺旋纳米棒，是比较新颖的一种纳米自组装结构。

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Packages covered with a sealed layer of clear plastic are modified-atmosphere packages, which have a gas-filled space inside to help preserve freshness and color.

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Each marked line was filled in by hand in trademark Bugatti blue and a five layer coat of clear lacquer.

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Talks are complicated by the fact that -- unlike the ozone layer, in which it was clear solar rays that got through cause cancer -- climate change's health effects are generally indirect.

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