常見例句雙語(yǔ)例句Side of the land and the pure black coal.這一方土地與純黑色的煤有關(guān)。With more than 200 years’ supply of black coal left, Australians have never much questioned this.再有200多年澳大利亞的煤炭就開采完了，所以人們從來(lái)沒有這么質(zhì)疑它。A dense black coal that takes a high polish and is used for jewelry.黑玉，貝褐炭：一種用作寶石的很亮的深黑色碳物質(zhì)。權(quán)威例句Martin McGuinn, who took over as chief executive two years ago, is a lawyer by training and oblivious to banker's hours: He's gazing over Pittsburgh from his top-floor office by 5:30 every morning, when the three sprawling rivers below are still black as the coal buried deep in the surrounding hills.FORBES: Pittsburgh PantherOriginally they were derived from coal-tar, the black viscous waste product left over from distilling coal for gas.FORBES: Jelly Beans: Which Color Is Most Popular At Easter? Why We Love Colored Foods 返回 black coal