1. But as the paper moved from side to side under the pen point, its movement would be recorded in ink upon its surface.
    由于纸在笔下来回运动，纸的表面就会用墨水记录下地板运动的情况。

2. While I write my pen moves, but the paper keeps still.
    我写字时，笔是移动的，纸是静止的。

3. With practice, no doubt, I could in time learn to write by holding the pen still while the paper moved.
    毫无疑问，经过练习，我最终能够学会笔不动而纸动来写字。

4. The pen slipped onto the floor.
    钢笔滑落到地板上了。

5. This is a pen.
    这是一钢笔.

6. The ideal to be aimed at was to devise an instrument that could record with a pen on paper, the movements of the ground or of the table as the quake passed by.
    理想的目标是设计出这样一种仪器：当地震发生时，它能用笔在纸上记录下大地和桌子运动情况。

7. The man said that the pen was worth $50, but as a special favour, he would let me have it for $30.
    那人说那支笔值50英镑，作为特别优惠，他愿意让我出30英镑成交。

8. This is a pen.
    这是一支钢笔。

9. No matter how hard I tried, it was impossible to fill this beautiful pen with ink and to this day it has never written a single word!
    然而不管我如何摆弄，那枝漂亮的钢笔就是吸不进墨水来。直到今天，那枝笔连一个字也没写过！

10. He dipped his pen into the ink.
    他拿钢笔蘸墨水。