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1·His pen scratched away on the paper.

他的笔在纸上沙沙作响。《牛津词典》

2·They're drawing squares on the paper.

他们在纸上画正方形。

3·By reading aloud, the words on the paper come to life.

通过大声朗读，纸上的文字变得生动起来。

4·Those lines on the paper can help you to write words in the right size.

纸上的那些线条可以帮助你把单词写成合适的大小。

5·He told the reporter that when he was unhappy, he wrote the unhappy things on the paper with which he folded a model plane.

他告诉记者，当他不开心的时候，他会把不开心的事情写在折的纸飞机上。

6·The ink also did not dry easily, and it sometimes made a mess on the paper.

这种墨水也不容易干，有时会把纸弄得一团糟。

7·You slant the pen with an angle of 30 degrees on the paper when you're writing.

你书写的时候笔身是倾斜的，和纸张形成30度的倾角。

8·A drop of ink spreads on the paper.

一滴墨水在纸上形成了一片墨迹。

9·The little girl drew a square on the paper.

小女孩在纸上画了一个正方形。

10·Felisa is the lead author on the paper.

Felisa是这篇论文的主要作者。