In Hayes' most recent study, he recruited 87 healthy volunteers and examined an area of their tongues about the size of the head of a pencil eraser.

在海斯的最新研究中，他招集了87个健康的志愿者，检查了这些人舌头的一块区域——大约铅笔上的橡皮擦头部大小。

youdao

For example, the delicate skin around your eyes is only as thick as a few sheets of paper; the pads on your feet are about as thick as a pencil eraser.

例如，眼睛周围的皮肤很娇嫩，只有像几页纸那么厚；脚垫大约像橡皮一样厚。

youdao

Could you sharpen your pencil and show me your eraser?

你能削你的铅笔并给我看你的橡皮吗？

youdao

The chip, which requires no power, works like this: Up to four megabits of data are put into the chip by touching the dot with an encased coil about the width of a pencil eraser.

FORBES: Dot's A Lot

Another neat feature that takes advantage of the newfound hovering capability is the ability to toggle between brush, pencil and eraser simply by holding the pen above the screen and clicking the button.

ENGADGET: Samsung Galaxy Note II review Mobile

If you have a pencil, you can probably exchange it for an eraser, or maybe a post-it-note or something, if you happen to be sitting at a table with some fourth-graders.

FORBES: To Fund The Federal Government We Don't Need Federal Taxation