读音

/koʊl/

释义

• 名词: 煤炭，一种黑色可燃的化石燃料，主要用于燃烧产生热量或发电。例如: “Coal is still widely used for electricity generation in many countries.”
• 名词: 俚语，指煤块或煤炭状物。例如: “He picked up a piece of coal from the fireplace.”

短语

• “coal mine” 煤矿，开采煤炭的地方。
• “coal-fired power plant” 煤电厂，以煤炭为燃料的发电厂。

例句

• “The coal industry has been declining in recent years due to environmental concerns.”
• “They used to heat their homes with coal, but now they have switched to natural gas.”

同义词

• Coke (炼焦煤)
• Peat (泥煤)
• Fossil fuel (化石燃料)
• Fuel (燃料)