While rereading, do some kind of pencil-work in which you jot down selected facts, together with formulas or equations.
复习时，你要做好摘记，即记下你要摘选的要点，连同公式或方程序。
I took some paper and a pencil, picked a desk, and went to work.
我拿了一些纸和一支铅笔，挑了一张桌子，就去工作了。
If your walls are in good condition then this work could be done with the help of a stencil and pencil.
如果你的墙壁还不错的话，我们用蜡笔或者铅笔就能完成上述工作。
Pencil is, at first glance, a drawing tool that presents you with a document to work within, and tools, shapes and widgets to work with.
第一眼看上去，Pencil呈现在你面前的就是一个绘图工具，有一个文档窗口在里面工作，还有用来工作的工具、图形、挂件等。
Then with the further assistance of those wonderful tools of man, pencil and paper, it is possible to work with each component individually, while keeping track of others.
然后，借助人的那些美妙的工具，笔和纸，就能分别处理各个部分，并同时关注其他组成部分。
Take something long (I used a chopstick, but the end of a pencil or even a pair of scissors will also work well), slip it inside, and nudge the seam into a nice smooth edge.
用个长的东西(我用的是筷子，不过铅笔头甚至剪子也都行)，深入里面，将接缝边缘推的光滑美观。
Interesting thoughts about the pencil renderings, I agree, I have to do more work in that direction.
关于铅笔渲染的想法很有趣，我同意，我必须在那方面做更多的工作。
To do his work he needed only a pencil and a pad of paper.
为了做他的工作他只需要一支笔和一本拍纸簿。
Difficult problems used to take hours of work with pencil and paper.
困难的问题以前总是需要用笔和纸工作数小时。
To do his work he needed only a pencil only a pencil and a pad of paper.
他在工作的时候仅仅需要一只铅笔和便笺纸。
It is now time to pick up that pencil and get to work on your cartoon character design.
现在是时候了，拿起铅笔和说去工作，你的卡通人物设计。
To do his work he needed only a pencil and a pad of paper. Material things meant nothing to him.
工作时他只需要铅笔和纸，其他材料对他来说没有任何意义。
Claire Brassil uses a combination of media in her pieces, including coloured pencil, graphite and gouache, creating the sense of opposition that makes her work so powerful.
克莱尔的作品运用了许多工具和材料，比如彩色铅笔、石墨、树胶水彩等，营造出的对立感使得作品充满力量。
Next we'll lay a foundation of quick, loose, pencil-like line work, flushing out some of the details of our character.
下一步，我们将奠定了快速，松散，铅笔状线工作的基础上，冲洗掉了我们性格中的一些细节。
I pondered deeply, then, over the adventures of the jungle. And after some work with a colored pencil I succeeded in making my first drawing.
当时，我对丛林中的奇遇想得很多，于是，我也用彩色铅笔画出了我的第一副图画。
The software can best be used initially to check work that is first done traditionally with pencil and paper.
一开始，这类软体适合核对传统上以笔和纸完成的习题。
And after some work with a colored pencil I succeeded in making my first drawing. My drawing Number One.
用一只有色铅笔，我成功地画出了我的第一幅画，作品一。
After experimenting for eight days, he discovered that firing powdered graphite with clay would work, and the hardness of the pencil lead could be varied by varying the ratio of graphite to clay.
他做了八天实验，发觉把石墨粉末和黏土一起烧，就可奏效。笔芯的硬度还会依石墨和黏土的比例而改变。
After experimenting for eight days, he discovered that firing powdered graphite with clay would work, and the hardness of the pencil lead could be varied by varying the ratio of graphite to clay.
他做了八天实验，发觉把石墨粉末和黏土一起烧，就可奏效。笔芯的硬度还会依石墨和黏土的比例而改变。
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