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1·A protective covering or sheath.

拇指套(保护受伤拇指的)。

2·This prehistoric animal grew a thick protective covering.

这种史前动物长着一层厚厚的保护性外皮。

3·It provides a protective covering for the engine, passengers and cargo.

车身为发动机、乘员和货物提供保护性遮盖。

4·It provides a protective covering for the engine, passengers, and cargo.

车身为发动机，乘客和货物提供了一个防护罩。

5·And they found that the protective covering is actually only 6 nanometers thick.

他们发现，保护层其实只有6纳米厚。

6·The iPod touch does this using a layer of capacitive material under a protective covering.

iPod touch依靠位于保护膜之下的一层电容材料来达成上述功能。

7·The influence of abr diameter is stronger than the thickness of concrete protective covering layer.

同时钢筋直径对钢筋锈胀力的影响程度要大于混凝土保护层厚度的影响。

8·The scientists say the protective covering they created could also be used to keep water off clothing.

科学家称，他们研制的防护层还可用于衣料的防水。

9·You wouldn’t think it, but the durability of bamboo makes it an ideal protective covering for your noggin.

你不会想到这个，但是竹子的耐用性使其成为你小醉时理想的防护罩。

10·A protective covering, structure, or organ of an animal or a plant, such as teeth, claws, thorns, or the shell of a turtle.

防御器官动物或植物的防护层，结构或器官，如牙齿，爪子，荆棘或乌龟的壳。

保护层

1·And they found that the protective covering is actually only 6 nanometers thick.

他们发现，保护层其实只有6纳米厚。