In captivity, where they live in zoos and science centres, they can be taught AmericanSignLanguage so that they can communicate with their hands.
在圈养的情况下，它们生活在动物园和科学中心，它们可以学习美国手语，这样它们就可以用手交流。
2
I myself went through this searching process and found something that has changed my experience at college for the better: I discovered ASL—AmericanSignLanguage.
我自己经历了这个搜索过程，发现了一些让我在大学里变得更好的经历：美国手语。
3
If you make an "OK" sign with your thumb and finger, that is the shape for the letter "f" in Americansignlanguage.