| 单词 | 地壳 |
| 释义 | 〔geosyncline〕An extensive, usually linear depression in the earth's crust.地槽：地壳中广泛的、通常是线形的沉降地〔vadose〕Of, relating to, or being water that is located in the zone of aeration in the earth's crust above the ground water level.渗流的：属于、有关或成为位于地壳露天地区且高于地下水平面的水体〔geanticline〕A large upward fold of the earth's crust.大背斜层：一种巨大的地壳上弯钩〔silicate〕Any of a large group of minerals, forming over 90 percent of the earth's crust, that consist of SiO2 or SiO 4 groupings combined with one or more metals and sometimes hydrogen. 硅酸盐：在地壳中，含量超过百分之九十的大批矿石中的一种矿石群，包括与一种或几种金属、有时与氢结合的SiO2或SiO 4 〔crust〕The exterior portion of the earth that lies above the Mohorovičić discontinuity.地壳：位于莫霍洛维奇契不连续面之上的地球外层〔sial〕Rock rich in silicon and aluminum forming the upper layer of the earth's crust beneath all continental landmasses.硅铝带，硅铝层：由富含硅和铝的岩石组成的所有大陆块下面的最外层地壳〔geotectonic〕Of or relating to the shape, structure, and arrangement of the rock masses resulting from structural deformation of the earth's crust.大地构造的：属于或关于由地壳结构变形造成的岩体的形状、构造和排列的〔silicon〕A nonmetallic element occurring extensively in the earth's crust in silica and silicates, having both an amorphous and a crystalline allotrope, and used doped or in combination with other materials in glass, semiconducting devices, concrete, brick, refractories, pottery, and silicones. Atomic number 14; atomic weight 28.086; melting point 1,410°C; boiling point 2,355°C; specific gravity 2.33; valence 4. See table at element 硅：一种非金属元素，广泛存在于地壳的硅酸盐和硅石中，有非晶体和晶体的同素异形体，与其它材料掺杂或结合，用于制造玻璃、半导体材料、混凝土、砖、耐火材料、陶瓷和矽氧烷。原子序数14；原子量28.086；熔点1,410°C；沸点2,355°C；比重2.33；化合价4 参见 element〔earthquake〕A sudden movement of the earth's crust caused by the release of stress accumulated along geologic faults or by volcanic activity. Also called seism ,temblor 地震：由于地质断层积聚的压力被释放或由于火山活动引起的地壳的突然变动 也作 seism,temblor〔isostasy〕Equilibrium in the earth's crust such that the forces tending to elevate land masses balance the forces tending to depress land masses.地壳均衡：地壳的均衡，以使趋向于抬高大陆的力与趋向于降低大陆的力保持平衡〔massif〕A large section or block of the earth's crust that is more rigid than the surrounding rock and has been moved or displaced as a unit.断层地块：一大块比周围岩石更坚硬的、曾发生过整块位移的地壳〔upthrust〕To thrust or be thrusted upward. Used especially of the earth's crust.挤压上升：向上推挤或被向上推挤。尤其用于指地壳〔geology〕The structure of a specific region of the earth's crust.地况，地质情况：某一地区地壳的结构〔upthrust〕An upward thrust, especially of part of the earth's crust.挤压上升：向上推挤，尤指地壳部分的上升〔cataclysm〕A violent and sudden change in the earth's crust.灾变：地壳的剧烈而突然的改变〔orogeny〕The process of mountain formation, especially by a folding and faulting of the earth's crust.造山运动，造山作用：山脉的形成过程，特别是由于地壳的重叠和断裂造成的〔probe〕electronic probes into the crust of the earth.勘察地壳的电子装置〔epeirogeny〕Uplift or depression of the earth's crust, affecting large areas of land or ocean bottom.造陆作用：对大面积地和海底产生影响的地壳的升起或下陷〔calcium〕A silvery, moderately hard metallic element that constitutes approximately 3 percent of the earth's crust and is a basic component of most animals and plants. It occurs naturally in limestone, gypsum, and fluorite, and its compounds are used to make plaster, quicklime, Portland cement, and metallurgic and electronic materials. Atomic number 20; atomic weight 40.08; melting point 842 to 848°C; boiling point 1,487°C; specific gravity 1.55; valence 2. See table at element 钙：一种银色的、硬度适中的金属元素，约占地壳中各种元素的百分之三，是多数动物和植物的基本组成物之一。自然存在于石灰石、石膏、氟石以及其它化合物之中，用于制造石膏、生石灰、硅酸盐水泥以及冶金和电子材料。原子序数20；原子量40.08；熔点842到848度；沸点1,487度；比重1.55；化学价2 参见 element〔rock〕A naturally formed aggregate of mineral matter constituting a significant part of the earth's crust.聚合体：构成地壳重要组成部分的天然矿物的聚合体〔geochemistry〕The chemistry of the composition and alterations of the solid matter of the earth or a celestial body.地球化学：研究地球或天体的地壳构成及变化的化学〔aluminum〕A silvery-white, ductile metallic element, the most abundant in the earth's crust but found only in combination, chiefly in bauxite. Having good conductive and thermal properties, it is used to form many hard, light, corrosion-resistant alloys. Atomic number 13; atomic weight 26.98; melting point 660.2°C; boiling point 2,467°C; specific gravity 2.69; valence 3. See table at element 铝：一种银白色韧性金属元素，在地壳中含量最多，但只出现在混合物主要是铝土矿中。由于有良好的导电导热特性而被用来制造多种硬而轻的抗蚀合金。原子序数13；原子量26.98；熔点660.2°C；沸点2,467°C；比重2.69；化合价3 参见 element〔tectonism〕The structural behavior of an element of the earth's crust.构造作用：地壳某个因素的结构转变〔batholith〕A large mass of igneous rock that has melted and intruded surrounding strata at great depths.岩基：大量的已经熔化并已侵入周围地壳岩层的火成岩〔tectonism〕Crustal instability.地壳的不稳定性〔diastrophism〕The process of deformation by which the major features of the earth's crust, including continents, mountains, ocean beds, folds, and faults, are formed.地壳变动：地壳上大陆、山脉、海床、褶皱和断层等主要地貌形成的变形过程〔feldspar〕Any of a group of abundant rock-forming minerals occurring principally in igneous, plutonic, and some metamorphic rocks, and consisting of silicates of aluminum with potassium, sodium, calcium, and, rarely, barium. About 60 percent of the earth's outer crust is composed of feldspar.长石：任何一组由大量岩石形成的矿物，主要存在于火成岩、深成岩以及一些变性的岩石中，含有钾、钠、钙及极少的钡的铝硅酸盐，地球的外层地壳中约百分之六十是长石 |
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