| 单词 | 玄武岩 |
| 释义 | 〔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〔variolite〕A basic rock whose pockmarked appearance is caused by the presence of numerous white, rounded, embedded spherules.球颗玄武岩：一种基性的岩石，其有麻窝的外表是由无数白色，圆形嵌进去的小球的存在连成的〔tachylyte〕A black, glassy basalt of volcanic origin.玄武玻璃：一种在火山喷发中产生的玻璃状的黑色玄武岩〔touchstone〕A hard black stone, such as jasper or basalt, formerly used to test the quality of gold or silver by comparing the streak left on the stone by one of these metals with that of a standard alloy.试金石：一种如碧玉或玄武岩的坚硬黑色石头，先前用来检验金或银的质量，用这些金属在石头上留下的划痕与标准纯度进行比较〔analcime〕A white or light-colored zeolite, NaAlSi2O 6·H 2O, found in certain basalts. 方沸石：一种白色或浅色沸石，NaAlSi2O 6·H 2O，在某种玄武岩中存在 |
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