Each hair on a person's head grows from a single tube-like hole in the skin called a follicle.

VOA: special.2011.04.05

What we will have come to us, is a corresponding response from every neuron, for example in the upper left, you would see a green little hole.

我们看到的是，每个神经元都作出反应，比如在左上方，大家能够看到一个绿色的小洞。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

People come to Jackson Hole,Wyoming, from around the world to enjoy the best of cowboy and mountain culture.

VOA: special.2009.02.16

Equipment was hanging from a huge hole in the side of the module.

VOA: special.2009.07.22