The Liuhe area belongs to the Archaeozoic high -g rade metamorphic belt,the outcropping rocks are mainly gray gneisses,supracrusta l rocks are rarely.是什么意思_The Liuhe area belongs to the Archaeozoic high -g rade metamorphic belt,the outcropping rocks are mainly gray gneisses,supracrusta l rocks are rarely.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句