常見(jiàn)例句The emery is a hard metallic substance. 金剛砂是非常堅(jiān)硬的金屬物質(zhì)。She rubbed the glass with emery paper. 她用砂紙磨玻璃。The rock was honeycombed with passages. 巖石上有許多蜂窩狀的小孔。Many young rock hounds grow up to be geologists. 許許多多愛(ài)好收集巖石的少年,長(zhǎng)大後成了地質(zhì)學(xué)家。The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭巖石。This layer of rock contains a lot of flint. 這一巖層中有大量燧石。 返回 emery rock