pencil lead

基本解释

• 铅笔心

同根派生

• pencil lead相关词

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

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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

• pencil lead更多词组