Variety like a painting or some reflective wood panels added on a plain wall may be used to reduce monotony.

像一副绘画或一些反光木板可以嵌在素面的墙上减少其单调性。

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Should we, as some scientists have suggested, spend our environment budgets on painting the world's roofs white or filling the Sahara with solar panels?

我们应当照某些科学家建议的那样，将我们的环保预算花费在把世界屋脊涂成白色或是用太阳能板填满撒哈拉沙漠上吗？

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In medieval and Renaissance times, gesso (plaster of Paris mixed with glue) was applied to wood panels, plaster, stone, or canvas to provide the ground for tempera and oil painting.

在中世纪和文艺复兴时期，石膏粉(熟石膏和动物胶的混合物)被涂抹于木版、胶布、石头或帆布上，用做蛋彩画和油画的背景。

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Attempting to achieve the enamel-like surface of early Renaissance panel painting, they painted on smooth panels or on fine-woven canvas rigidly stretched.

WSJ: Victorian Avant-Garde | Pre-Raphaelites: Victorian Art and Design | National Gallery of Art | By Barrymore Laurence Scherer

With pencil on fiber paper, Mr. Arroyo has reinterpreted in 21, full-size panels the "Adoration of the Mystic Lamb, " the 15th-century oil painting by the Van Eyck brothers.

WSJ: Review: A New Interpretation of a Masterpiece | 'Eduardo Arroyo: The Mystic Lamb' at the Prado in Madrid