一种硬石_有道手机词典

1.大部分新西兰绿玉宝石属于软玉——翡翠的一种，其他属于另一种矿石，即硬绿蛇纹石（鲍文玉，注1 ）。
Most New Zealand greenstone is nephrite—a form of jade—though some is bowenite, another mineral.
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2.一种硬的、致密的、黑色的火山岩。它主要由斜长石、辉石和橄榄石组成，外表经常很光滑。
A hard, dense, dark volcanic rock composed chiefly of plagioclase, pyroxene, and olivine, and often having a glassy appearance.
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3.通过动态水热法合成出的球形硬硅钙石颗粒具有很高的气孔率，使轻制硬硅钙石材料成为一种用途广泛的绝热（保温）材料。
Xonotlite-based material is a very useful insulation material, because spherical xonotlite agglomerates which are synthesized with dynamic hydrothermal rrocess consist of many pores.
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