| 单词 | trachyte |
| 释义 | trachyte /trakˈīt/nounA fine-grained intermediate igneous rock, usu with little or no quartz, consisting largely of alkali-feldspars (eg sanidine) and a small amount of coloured silicates (eg hornblende or mica) ORIGIN: Gr trāchys rough trachytic /trə-kitˈik/ adjective trachˈytoid adjective |
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