它每分钟移动一英寸，用肉眼就能看到。

Its movement - an inch every minute - could be seen with the naked eye.

youdao

雕刻是一个很精细的活——这个雕刻是用千分之三英寸的蜡制作的。

Engraving is a rather precise operation - this engraving was cutting only three thousandths of an inch of material out of the wax.

youdao

放一个码尺在地板上，用胶带固定码尺在15英寸(38厘米)标志处。

Place a yardstick on the floor. Secure it by placing a piece of tape across the yardstick at the 15-inch (38-centimeter) mark.

youdao

And he gave a very good analogy in saying, "It was almost as incredible as if you'd fired a 15 inch shell at a piece of tissue paper, and it came back and hit you."

他还打过一个很好的比方：,“这就像是,你用个15英寸果壳,打到面巾纸上被弹回来打到你，一样不可思议，“

麻省理工公开课 - 化学原理课程节选

Now, you know, take your hands and kind of do that and you can get a sense of how small that really might be.

你们可以用自己的手指比划下,感觉下三英寸有多小

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选