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艺术巨作揭秘

For Mona Lisa, he used a thin-grained piece of poplar tree and applied an undercoat of lead, white.

在创作《蒙娜丽莎》时,他使用了一棵纹理很薄的,并涂了一层色的铅底漆。

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国家地理科普(视频版)

It consists of two layers of transparent hair, a soft thick undercoat and a layer of hollow guard hairs.

它有两层透明皮毛,一层是柔软厚实的皮毛,一层是中空的护毛。

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艺术巨作揭秘

He then applied a series of undercoats, letting them dry before applying another.

然后,他涂了一系列的底漆,等它们干了再涂一层。

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双语版 TED-Ed

But for many mammals, hair grows in two layers consisting of a shorter undercoat of ground hairs covered by longer guard hairs.

许多哺乳动物的毛发生长为两层,由较短的毛作为底层毛发,上面覆盖较长的保护毛。

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艺术巨作揭秘

The lead white undercoat reflects the light back through his glazes, giving the picture more depth, and in essence, lighting Mona Lisa from within.

色的底漆将光线通过釉料反射回来,使这幅画更有深度,从内部照亮了《蒙娜丽莎》。

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大英百科全书

Woolly mammoth fur was composed of two coats: an inch-long yellowish brown undercoat that was covered by a coarse dark brown overcoat that could grow more than two feet long.

长毛猛犸象的皮毛有两层:一英寸长的黄褐色下层皮毛,上面覆盖着一层粗糙的深棕色外毛,可以长到两英尺多长。

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