For example, American Sign Language and British Sign Language are mutually unintelligible.

例如，美国手语和英国手语互不相通。

(b) Manual Communication: It makes use of the sign language.

（b）手语：手语用手势进行沟通的。

My use case is helping people using sign language to Communicate.

帮助人们使用手语进行交流。

Gesture is also not sign language.

手势也不手语。

Some have even learned a modified sign language.

甚至有些会改进后的手语。

The voice you'll hear is a sign language interpreter.

你会听到个手语翻译的声音。

Ayoub is the inventor of BrightSign. I am tired.

阿尤布发明明亮手语。我累。

The school principal says Mr. James sometimes teaches the kids sign language.

校长说James先有时教孩子们手语。

And the same holds true for a concept in ASL.

对于美国手语系统来说也这样的。

And the reason is, is because most of the people signed. The crew learned to sign.

原因，因为大多数人都使用手语。 全体工作人员会手语。

This Santa Claus, no sign language.

这个圣诞老人不使用手语。

The family communicates with sign language.

家庭成员之间用手语交流。

The deaf communicate through sign language.

失聪者都会透过手语沟通。

If you're not fluent in American sign language, don't worry.

如果你的美国手语不流，别担心。

Teaching at the deaf school requires patience and it also requires sign language.

在聋人校教需要耐心，也需要手语。

So it has a history of about 200 years.

所以美国手语的历史已经有200多年。

Such children are taught to develop oral speech, lip-reading and sign language.

这些孩子被教导发展口语、唇读和手语。

" Young men are not learning your sign language, and soon it will disappear from this country."

“年轻人不你们的手语，很快手语就会从这个国家消失。”

The players use sign language, speaking through signs they make with their hands.

球员们使用手语，通过做出的手势来说话。

Sign languages have clearly defined words and grammar, and differ from place to place just as spoken ones do.

手语对单词和语法有明确的定义，就像口语样，不同的地方手语也不同。