单词：composite gneiss
composite gneiss的用法和样例：
例句
- Gneiss is called bastard granite.片麻岩叫作粗花岗岩。
- Gneiss, a metamorphic rock, can be commonly found in Precambrian areas.片麻岩，一种变质岩，通常在前寒武纪地层中出现。
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