If you have a leather sofa, cover it with a white bed sheet.

如果你有一张皮革沙发，请用一张白色的床单罩住它。

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It can be used on paper, foil, cardboard, cloth, leather, glass, mylar, acetate sheet, foam rubber, urethane foam, styrofoam and light metal sections.

它可用于纸张，铝箔，纸板，布料，皮革，玻璃，聚酯，醋酸板，泡沫橡胶，聚氨酯泡沫，发泡胶及轻金属部件上。

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Printing press operators set up and operate sheet and web-fed presses to print text, illustrations and designs on a wide variety of materials such as paper, plastic, glass, leather and metal.

印刷机操作员设置和操作薄板和卷筒纸印刷机，在各种各样的材料上，如纸，塑料，玻璃，皮革和金属，进行打印文字，图片和设计。

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The shield itself, as I've told you is made of a heavy wood, covered by a leather or bronze sheet about three feet across, something in the neighborhood of 16 to 20 pounds worth of shield and gripped as I told you before.

而盾牌,就像我说过的,是由沉重的木材制成,上面包裹有皮革或铜皮,约三英尺宽,大概是十六到二十磅重,就像我刚才所说的,拿起来很费劲

耶鲁公开课 - 古希腊历史简介课程节选

You need to do that to be able to control the shield that's as big as that and as heavy as that, because it is made fundamentally of a heavy wood, typically covered by leather, sometimes with some bronze, a bronze sheet across the front of it as well.

如果你想自如操控这块盾牌就必须得这样,这种盾牌很大并且很笨重,因为它主要是由沉重的木材制成,表面一般覆有皮革,或包上铜皮,就是表面上有一层铜皮

耶鲁公开课 - 古希腊历史简介课程节选