| 单词 | igneous |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Archean〕Of or relating to the oldest known rocks, those of the Precambrian era, that are predominantly igneous in composition.太古代的：所知的最古的前寒武纪时代岩石，其组成成分主要为火成岩的，或与之相关的美国传统〔amygdule〕A small gas bubble in igneous, especially volcanic, rock filled with secondary minerals such as zeolite, calcite, or quartz.杏仁孔：尤指含有次等矿物（如沸石、方解石和石英）的火成岩里的小气泡美国传统〔anorthite〕A rare plagioclase feldspar with high calcium oxide content occurring in igneous rocks.钙长石：一种氧化钙含量很高稀有斜长石，多出现于火成岩中美国传统〔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〔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美国传统〔crystallite〕Any of numerous minute rudimentary, crystalline bodies of unknown composition found in glassy igneous rocks.雏晶：任一种在玻璃状火成岩中发现的未知微粒晶体矿物美国传统〔diabase〕A dark-gray to black, fine-textured igneous rock composed mainly of feldspar and pyroxene and used for monuments and as crushed stone.辉绿岩：一种贝岩，颜色深灰至黑，带有细微网纹，主要由长石和辉石构成，用作纪念碑或碎石块美国传统〔dike〕Geology A long mass of igneous rock that cuts across the structure of adjacent rock.【地质学】 岩墙：横切毗连岩石结构的大长块火成岩美国传统〔dolerite〕A dark, fine-grained igneous rock; diabase.粗玄岩，辉绿岩：一种暗色微粒火成岩；辉绿岩美国传统〔dunite〕A dense igneous rock that consists mainly of olivine and is a source of magnesium.纯橄榄岩：一种密度大的大成岩，主要由橄榄石组成，是镁的一种来源美国传统〔endomorphism〕Geology A change within an intrusive igneous rock caused by the assimilation of portions of the surrounding rock.【地质学】 内变质作用：由于周围岩石同化作用而在侵入火成岩内部产生的变化美国传统〔extrusive〕Derived from magma poured out or ejected at the earth's surface. Used of igneous rocks.喷出的火山的：来自于喷出或喷在地表的岩浆的。用于火成岩美国传统〔felsic〕Relating to or containing a group of light-colored silicate minerals that occur in igneous rocks.火成岩中的有关或包含一系列浅颜色的硅酸盐矿物美国传统〔felsite〕A fine-grained, light-colored igneous rock, composed chiefly of feldspar and quartz.霏细石：一种纹理细密且颜色浅的主要由长石和石英构成的火成岩石美国传统〔greenstone〕Any of various altered basic igneous rocks colored green by chlorite, hornblende, or epidote.绿岩：因含有绿泥石、角闪石或绿帘石而呈绿色的任一种变质火成岩美国传统〔intrusive〕Geology Of or relating to igneous rock that is forced while molten into cracks or between other layers of rock.【地质学】 形成侵入岩的：属于或关于融入岩石裂缝或岩层之间时直接生成火成岩的美国传统〔labradorite〕A variety of plagioclase feldspar found in igneous rocks and characterized by brilliant colors in some specimens.拉长石：一种斜长岩长石的变体，发现于火成岩中，某些样本中含有丰富绚烂的颜色美国传统〔laccolith〕A mass of igneous rock intruded between layers of sedimentary rock, resulting in uplift.岩盖：一种侵入沉积岩岩层之间的火成岩，它会产生隆起美国传统〔lamprophyre〕Any of several intermediate igneous rocks constituting feldspar and ferromagnesium minerals that occur as dikes and minor intrusions.煌斑岩：任一种含有长石和铁镁矿物中型的黑色岩石，呈现为岩脉或侵入岩美国传统〔mafic〕Containing or relating to a group of dark-colored minerals, composed chiefly of magnesium and iron, that occur in igneous rocks.铁镁质的：含有或与一组深色矿物有关的，主要由镁和铁组成，出现在火成岩中的美国传统〔magma〕Geology The molten rock material under the earth's crust, from which igneous rock is formed by cooling.【地质学】 岩浆：地球外壳内部的熔融岩石物质，冷却后形成火成岩美国传统〔margarite〕A rock formation that resembles beads, found in glassy igneous rocks.珍珠云母：一种存在于光滑的火成岩岩层中的呈珠粒状的岩层美国传统〔melaphyre〕A dark igneous porphyry embedded with feldspar crystals.暗玢岩：嵌有长石晶体的黑色火成斑岩美国传统〔mode〕Geology The mineral composition of a sample of igneous rock.【地质学】 火成岩样品的矿物构成美国传统〔monzonite〕An igneous rock composed chiefly of plagioclase and orthoclase, with small amounts of other minerals.二长岩：一种主要由斜长石和正长石组成的火成岩，还含有少量其它矿物美国传统〔nepheline〕A mineral of sodium-aluminum or potassium-aluminum silicate, occurring worldwide in igneous rocks and used in the manufacture of ceramics and enamels.霞岩：硅酸铝钠或硅酸铝钾矿石，见于全世界范围内的火成岩中，用于生产陶瓷和搪瓷制品美国传统〔nephelinite〕An igneous rock consisting chiefly of pyroxene and nepheline.霞岩：主要由辉石和霞石组成的火成岩美国传统〔peridotite〕Any of a group of igneous rocks composed mainly of olivine and various pyroxenes and having a granitelike texture.橄榄岩：含有大量橄榄石和各种辉石并有花岗岩状质地的岩石美国传统〔petrogenesis〕The branch of petrology that deals with the origin of rocks, especially igneous rocks.岩石成因说，岩石发展学：研究岩石成因的岩石学的一个分支，尤其是火成岩的成因美国传统〔phenocryst〕A conspicuous, usually large, crystal embedded in porphyritic igneous rock.斑晶：嵌在斑状火成岩中的一种显眼的、通常很大的晶体美国传统〔plug〕Geology A mass of igneous rock filling the vent of a volcano.【地质学】 岩颈：填满一座火山的一块火成岩美国传统〔pluton〕A body of igneous rock formed beneath the surface of the earth by consolidation of magma.火成岩：岩浆凝固后在地表下形成的火成岩岩体美国传统〔porphyry〕Rock containing relatively large conspicuous crystals, especially feldspar, in a fine-grained igneous matrix.斑岩：含有嵌入致密的合成基质的相对较明显的长石晶体的岩石美国传统〔pyrogenic〕Of or relating to solid rock formed from molten rock; igneous.火成的：由熔化的岩石形成的固体岩石的，或与其有关的；火成的美国传统〔pyroxenite〕An igneous rock consisting chiefly of pyroxenes.辉岩：主要由辉石组成的一种火成岩美国传统〔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〔schlieren〕Geology Irregular dark or light streaks in plutonic igneous rock that differ in composition from the principal mass.【地质学】 异离体：在深层火成岩中，在构成上与主体不同的不规则的深色或浅色条纹美国传统〔sheet〕Geology A broad, relatively thin deposit or layer of igneous or sedimentary rock.【地质学】 岩床：宽阔的、相对薄的火成的或沉积岩石的沉淀或层美国传统〔sill〕Geology An approximately horizontal sheet of igneous rock intruded between older rock beds.【地质学】 岩床：插入两块老岩层之间的近乎水平的火成岩岩层美国传统〔syenite〕An igneous rock composed primarily of alkali feldspar together with other minerals, such as hornblende.正长岩：一种火成岩，主要由碱长石与其它矿物，如角闪石组成美国传统〔trachyte〕A light-colored igneous rock consisting essentially of alkali feldspar.粗面岩：一种浅色火成岩，主要由碱长石构成美国传统〔trap〕Any of several dark, fine-grained igneous rocks often used in making roads.暗色岩：任一种用于修路的暗色纹理的细密火成岩中美国传统〔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〔xenocryst〕A crystal foreign to the igneous rock in which it occurs.捕获晶：在火成岩内部形成的外来晶体美国传统〔xenolith〕A rock fragment foreign to the igneous mass in which it occurs.捕虏体：指在火成岩中形成的外来岩石碎片美国传统 |
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