| 单词 | volcanic rock |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔agglomerate〕A volcanic rock consisting of rounded and angular fragments fused together.集块岩：由圆形石块和有角的石块聚结而成的火山岩美国传统〔amygdaloid〕A volcanic rock containing many amygdules.杏仁岩：有很多杏仁状小气孔的火成岩美国传统〔amygdaloid〕Resembling a volcanic rock that contains many amygdules.杏仁岩的：类似包含杏仁孔的火成岩的美国传统〔andesite〕A gray, fine-grained volcanic rock, chiefly plagioclase and feldspar.安山岩：一种灰色的，纹理细密的火山岩，主要是斜长石和似长石美国传统〔basalt〕A hard, dense, dark volcanic rock composed chiefly of plagioclase, pyroxene, and olivine, and often having a glassy appearance.玄武岩：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〔entirely〕The ridge consists entirely of volcanic rock.这处山脊完全由火山岩构成。朗文当代〔ignimbrite〕A volcanic rock formed by the welding together of tuff material from an explosive volcanic eruption.熔结凝灰岩：火山喷发后凝灰物质聚集后形成的一种火成岩美国传统〔phonolite〕A light-colored volcanic rock composed largely of feldspars.响石，响岩：大部分由长岩组成的淡色的火山岩美国传统〔pyrogenic〕Volcanic rock is pyrogenic.火山岩是火成的。英汉大词典〔rhyolite〕A fine-grained extrusive volcanic rock, similar to granite in composition and usually exhibiting flow lines.流纹岩：一种精细纹理的喷出火山岩，在成分上类似于花岗岩并通常显现流线美国传统〔vesicle〕Geology A small cavity formed in volcanic rock by entrapment of a gas bubble during solidification.【地质学】 气泡：在成石过程中在火山岩中包含气体的一种小洞穴美国传统 |
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