They were skeletons of strong criss-cross beams, with solid material between, coated with plaster.

它们是由坚固的十字形梁构成的骨架，中间夹着结实的材料，外面涂了层灰泥。

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As the magma smashes through layers of rock, it rips out debris, creating a mix of liquid and solid material.

当岩浆撞击岩层时，会出现岩屑，形成液态和固态物质的混合物。

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Some of the solid material it brings up may come from a so-called diamond-stability field, where conditions of pressure and temperature are conducive to the formation of diamonds.

它所带出的一些固体物质可能来自所谓的钻石稳定场，那里的压力和温度条件有利于钻石的形成。

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Kahn was able to make the concrete material of the building look both solid and airy.

VOA: special.2009.12.13

They've shown that a synthetically grown sample of herbertsmithite crystal (what you see above) behaves as a quantum spin liquid: a material where fractional quantum states produce a liquid-like flux in magnetic orientations, even if the material is solid.

ENGADGET: MIT demos new form of magnetism that could lead to quantum communication, storage

We have one life in the solid material world that is most perfectly measured by science.

FORBES: Alan Moore On Science And Imagination

We actually got a Guinness Book of World Records for developing this lightest solid material in the world.

NPR: Stardust Set to Deliver Comet Samples