pencil lead

基本解释

• 鉛筆心

同根派生

• pencil lead相关词

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

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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

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