A pencil is in the pencil box

一支铅笔───A pencil;文具盒───pencil-box

With a smile on his face, the American said to his friend, "You see , a pencil can help you. "───那个美国人很得意的笑着对他的同伴说，你看见了吧，一支笔就可以帮助你。

You can see how your pace stacks up to it using a few simple tools: a pedometer, a watch, a notebook, and a pencil.───你可以用一些简单的工具来衡量自己的步速是否达到这个标准，这些工具包括计步器、手表、笔记本和铅笔。

He ran to his room with the newspaper. Taking a pencil and a blank piece of paper from his desk. he started to write.───他拿着报纸跑到他的房间。从抽屉里拿出铅笔和一张空白的纸上开始写。

He was rolling a pencil between his fingers.

I'll get a pencil and paper.

She was twiddling a pencil/her hair.