Definitions

[1] n. 煤, 木炭

[2] vt. 加煤

[3] vi. 加煤

[4] [化] 煤

[ kol ]

1. Coal is not always black.
   煤并不一定都是黑的。
2. Coal and natural gas are natural fuels.
   煤和天然氣是天然燃料。
3. Carbon dioxide is a gas that is produced every time a fuel such as coal, oil, or natural gas is burned.
   二氧化碳是燃燒煤、石油或天然氣這樣的燃料時會產生的氣體。
4. The prices of raw materials such as oil or coal continue to rise.
   原材料的价格如石油或者煤的不停地上升。
5. Australia is the world's fifth-largest coal producer.
   澳大利亚是世界第五大煤炭产地。
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