protective cover

基本解释

A tarp is a sheet of heavy waterproof material that is used as a protective cover.
防水油布是被用来做成保护性遮盖物的一种的防水的材料。
Across the countryside, huge swaths of forest have been cut down, leaving no protective cover.
穿越这个国家时可以发现大片的森林已被砍倒，保护层丧失了。
Ground staff secure a plastic protective cover on the engines of an aircraft at Belfast City Airport in Northern Ireland, on April 16. AFP / Getty Images / Peter Muhly
星期五(4月16日)，北爱尔兰的贝尔法斯特市机场，地勤人员给飞机引擎蒙上一层塑料保护膜做密封。

The ArtCase from Solid Line Products combines photos or paintings with a protective cover.
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The enhanced super AMOLED display is enabled in part by using Corning Gorilla glass as the protective cover.
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It features a protective cover that flips open for quick access to the Multi-Touch display and closes like a book to protect against dirt and smudges.
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