听声词典

pencil lead

P 开头单词

基本解释

  • 铅笔心

同根派生

     

英汉例句

    双语例句

  • Layers of graphene make up the graphite found in pencil lead.
    铅笔芯里的石墨就是由多层石墨烯组成的。
  • A discovery made from pencil lead is promising to change the future of the electronics industry.
    科学家一项从铅笔芯中作出的发现，势必将改变电子产业的未来。
  • To his surprise, he discovered that the carbon in the candle wax had formed all four types of pure carbon, including diamonds and graphite, or pencil lead.
    令他吃惊的是，他发现蜡烛里的碳已经形成了纯碳的四种形态，包括：钻石、石墨和铅笔芯。

    • 权威例句

  • Each day he dotted the virtues he failed to fulfill with a black lead pencil.
    FORBES: On The Cover/Top Stories
  • An analogy: think of a pencil, where the lead in the middle is the cellulose fiber, surrounded by unwanted lignin and hemicellulose.
    FORBES: Ethanol
  • Later versions would sandwich the lead between two pencil halves and glue them together.
    FORBES: Magazine Article

词组短语

    短语

  • pencil l lead holder 铅笔芯盒
  • Pencil and Lead 铅笔和铅
  • pencil lead holder 铅笔芯盒
  • pencil lead loose 铅笔芯松
  • Pencil full of lead 铅笔的铅