常見例句雙語例句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(shí)也與不太槼則的烤硬了的、變形的粘土-板巖山有關(guān)聯(lián)。 返回 slate clay