食材鋪反向词典

pencil lead

P 开头单词

基本解释

  • 鉛筆心

同根派生

     

英汉例句

    雙語例句

  • Layers of graphene make up the graphite found in pencil lead.
    鉛筆芯裡的石墨就是由多層石墨烯組成的。
  • A discovery made from pencil lead is promising to change the future of the electronics industry.
    科學家一項從鉛筆芯中作出的發現，勢必將改變電子産業的未來。
  • 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.
    令他喫驚的是，他發現蠟燭裡的碳已經形成了純碳的四種形態，包括：鑽石、石墨和鉛筆芯。

    • 權威例句

  • 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

    短語

  • pencil l lead holder 鉛筆芯盒
  • Pencil and Lead 鉛筆和鉛
  • pencil lead holder 鉛筆芯盒
  • pencil lead loose 鉛筆芯松
  • Pencil full of lead 鉛筆的鉛