常见例句雙語例句The surrounding islands all consist of conical masses of greenstone, associated sometimes with less regular hills of baked and altered clay-slate.周圍的島嶼都由大量的圓錐形綠巖所組成，它們有時也與不太槼則的烤硬了的、變形的粘土-板巖山有關聯。 返回 clayslate