| 单词 | silica |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔aerogel〕A highly porous solid formed from a gel, such as silica gel, in which the liquid is replaced with a gas.气凝胶：由凝胶（如硅胶）形成的高渗透性固体，其内部的液体被气体取代美国传统〔basic〕Geology Containing little silica, as igneous rocks.【地质学】 基性的：基性的，含有比较少量的二氧化硅的作为火成岩的美国传统〔chert〕A siliceous rock of chalcedonic or opaline silica occurring in limestone.硅石：出现在灰岩中的玉髓或蛋白色硅石美国传统〔chert〕A variety of silica that contains microcrystalline quartz.燧石：含微小晶状的石英的各种硅石美国传统〔dacite〕A light gray volcanic rock containing a mixture of plagioclase and other crystalline minerals in glassy silica, similar in appearance to rhyolite.石英安山岩：一种浅灰色的火山岩，包含斜长石与其它呈光滑硅土状的结晶矿物，在外表上与流纹岩相似美国传统〔desiccant〕A substance, such as calcium oxide or silica gel, that has a high affinity for water and is used as a drying agent.干燥剂，脱水剂：一种对水有很强吸附性的物质（如氧化钙或硅胶），常用作干燥剂美国传统〔latosol〕Soil that is rich in iron, alumina, or silica and formed in tropical woodlands under very humid climate with relatively high temperature.砖红壤：富含铁质矾土或二氧化硅的土壤，分布于气候湿润、具有相对高温的热带林区美国传统〔opal〕A translucent mineral of hydrated silica, often used as a gem.蛋白石：一种非晶质氧化硅，含有明显的变色晕彩，常被用来当作宝石美国传统〔salic〕Of or relating to certain minerals, such as quartz and the feldspars, that commonly occur in igneous rocks and contain large amounts of silica and alumina.硅铝质的：属于或有关特定矿物质的，如石英和长石，常常在火成岩中出现，含有大量硅和铝美国传统〔sandstone〕A sedimentary rock formed by the consolidation and compaction of sand and held together by a natural cement, such as silica.砂岩：一种由砂固化与压积作用形成的沉积岩，通过自然胶结物粘到一起，如硅石美国传统〔saturated〕Geology Of or relating to minerals that can crystallize from magmas even in the presence of excess silica.【地质学】 饱和的：与在有过量硅存在时仍能从岩浆中结晶的矿物质有关的、或这种矿物的美国传统〔siliceous〕Containing, resembling, relating to, or consisting of silica.硅石的：含硅石的、象硅石的、与硅石有关的或由硅石组成的美国传统〔silicic〕Relating to, resembling, containing, or derived from silica or silicon.硅的：与硅石或硅相关的、与之相象的或由其而来的美国传统〔siliciferous〕Bearing, producing, or in partial combination with silica.含硅的、产硅的或部分与硅相结合的美国传统〔silicify〕To become converted into or impregnated with silica.硅化：转变成硅或用硅浸渍美国传统〔silicify〕To convert into or impregnate with silica.使硅化：使…转变成硅或用硅浸渍…美国传统〔sima〕The lower layer of the earth's outer crust that underlies the sial and is rich in silica, iron, and magnesium.硅镁层：地球外壳的较低层，在硅铅层之下，富含硅、铁和镁美国传统〔sinter〕Geology A chemical sediment or crust, as of porous silica, deposited by a mineral spring.【地质学】 泉华：矿泉周围形成的化学沉淀或物质外壳，例如多孔硅石美国传统〔smalt〕A deep blue paint and ceramic pigment produced by pulverizing a glass made of silica, potash, and cobalt oxide.大青，大青色：将由硅石、钾碱和氧化钴制成的玻璃捣碎而生产出来的深蓝色图画或陶瓷上的颜料美国传统〔ultrabasic〕Containing magnesium and iron and only a very small amount of silica. Used of igneous rock.超基性的：含有镁和铁和只有极少量的硅。用于火成岩美国传统 |
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