The train was carrying tons of coal for the factory.
火车正在为工厂运送数吨煤。
Many countries rely on coal for their energy needs.
许多国家依赖煤来满足能源需求。
The coal industry has faced many environmental challenges.
煤炭行业面临许多环境挑战。
She drew a picture using a piece of coal.
她用一块煤画了一幅画。
Burning coal releases a significant amount of carbon dioxide.
燃烧煤会释放大量的二氧化碳。
The miners extracted coal from deep underground tunnels.
矿工们从地下深处的隧道中开采煤。
Coal was once the primary source of energy worldwide.
煤曾经是全球主要的能源来源。
They used coal to heat their homes during winter.
他们在冬天用煤来取暖。
Switching from coal to renewable energy is crucial.
从煤转向可再生能源是至关重要的。
The museum displayed tools used in historical coal mining.
博物馆展出了历史上煤矿开采使用的工具。
coal mine
煤矿
coal gas
煤气
blind coal
无烟煤
sea coal
海运煤；矿化煤
coal tar
煤焦油
复数: coals;
