常用短語

decomposed volcanic rock風(fēng)化火山巖

highly weathered volcanic rock高度風(fēng)化火山巖層；高度風(fēng)化火山巖

completely weathered volcanic rock全風(fēng)化火山巖層；全風(fēng)化火山巖

highly decomposed volcanic rock高度風(fēng)化火山巖層；高度風(fēng)化火山巖

completely decomposed volcanic rock全風(fēng)化火山巖層；全風(fēng)化火山巖

old volcanic rock古火山巖

neo-volcanic rock新火山巖