lead pencil

常见例句

Many transistors are smaller than the eraser on the end of a lead pencil.
很多晶体管都比铅笔头上的橡皮还要小。
He took a stump of lead pencil out of his pocket and scribbled a moustache on the lion's upper lip and then a pair of spectacles on its eyes.
他从口袋里掏出一个铅笔头，在狮子上唇涂上两撇胡子，还给它加上了一副眼镜。
Vugular pore openings are frequently as large as an ordinary lead pencil and are usually attributed to leaching of the rock subsequent to deposition.
空孔穴开孔通常与一支普通的铅笔一样粗，这是由于沉积后岩石的侵析作用造成的。

Each day he dotted the virtues he failed to fulfill with a black lead pencil.
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Later versions would sandwich the lead between two pencil halves and glue them together.
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The rain has started and the sky is turning the color of the lead in a number 2 pencil.
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