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- Coal is usually referred to as a fossil fuel. 煤通常被称为矿物燃料。
- Coal is a fossil fuel. 煤是一种矿物燃料。
- My dad is a fossil, he never tries new novelties. 我的爸是老古董，他从不尝试新玩意。
- Coal is a concrete object; heat is not. 煤是一种实体，热不是。
- Coal is not only the largest fossil fuel reservoir of carbon dioxide, it is the dirtiest fuel. 煤不仅仅是化石燃料中二氧化碳的最大释放源，更是最不清洁的能源。
- Coal is still used, mostly in power stations, to cover one-quarter of our energy needs, but it is the least efficient, unhealthiest and most environmentally damaging fossil fuel. 煤仍被使用，主要是在发电站，以解决我们四分之一的能源需求。但煤确是最无效率，最不健康，最不环保的矿物燃料。
- Coal is the dirtiest of fossil fuels, producing twice the carbon dioxide that natural gas does when it is burned. 煤是所有化石燃料中最脏的一种。它在燃烧时所发出的二氧化碳是燃烧天然气所发出的两倍。
- Coal is the dirtiest of all fossil fuels but the government believes it must continue to be burned, to prevent over-reliance on foreign gas. 煤炭是化石燃料中最脏的，但是政府相信，为了防止对外国天然气的过度依赖，燃煤发电仍然是必要的。
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- He is a great guy, a chip off the old block. 他是一位好人，就像他父亲一样。
- Coal is one kind of mineral fuel. 煤是一种矿物燃料。
- That lucky guy is a choice pickup for the girls. 那位幸运的男孩是女孩子们想把上的人。
- That old man is a fount of wisdom. 那个老人有无穷的智慧。
- The bank is a ten minutes' run from the hotel. 从旅馆到银行跑步需十分钟。
- Coal is a fuel. 煤是一种燃料。
- Britain is a constitutional monarchy. 英国是君主立宪制国家。
- Coal is a mineral. 煤是一种矿物。
