He 'd like a pencil - sharpener, but she has not got one.

他想要一个转笔刀，但她没有。

youdao

You'd pull out your pencil and paper, you can do it as a matrix inversion if you know how to do that, or you can just simply do substitution of one equation into another to solve it.

你知道你在小学的时候是怎么做的对吧？,你拿出你的笔和纸,如果你会的话,你可以解一个方程组,或者你可以单纯地。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's created when growth rings are distorted as if they'd been poked by a dull pencil.

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Moved by the effort, Picasso contributed three additional creations to the museum, as well as a pencil sketch of Les Demoiselles d'Avignon, still on display today.

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