coal

名詞

UK/kəʊl/
US/koʊl/

定義 coal 名詞

  1. C1Countable(可数名词)Uncountable(不可数名词)

    A hard, black mineral substance extracted from the earth, that can be burned to generate heat or power; also, a single piece of this substance.

    煤炭

    • This factory uses coal as its primary energy source.

      这家工厂以煤炭作为主要能源。

    • Burning coal releases carbon dioxide into the atmosphere.

      燃烧煤炭会释放二氧化碳到大气中。

    • The region is known for its abundant coal deposits.

      该地区以其丰富的煤炭储量闻名。

成語

  • carry/take coals to Newcastle

    To do something unnecessary or redundant; to do something pointless because it is already abundant in the place or with the person you are giving it to.

    多此一举

    Trying to teach him how to use a computer is like carrying coals to Newcastle; he's a computer expert.

    试图教他如何使用电脑就像是把煤运到纽卡斯尔;他已经是电脑专家了。

  • haul/drag someone over the coals

    To reprimand or scold someone severely for doing something that is disapproved of.

    取得训斥

    The manager hauled him over the coals for not completing the report.

    经理因为他没有完成报告而严厉斥责他。