常見例句用作名詞 (n.)The Saudis hold one-fourth of the world's proven oil reserves.沙特?fù)碛惺澜缫烟矫魇蛢?chǔ)量的四分之一。It enables an estimate to be made of the reserves, including sphalerite.它可以用來估計(jì)包括閃鋅礦在內(nèi)的儲(chǔ)量。 返回 reserves