An artificial language has no vitality.

人工语言没有生命力。

Thee most common artificial language is Esperanto.

最常见的人造语言是世界语。 。

One of the predefined words of an artificial language.

一种人工的，优雅的语言风格。

Study subjects listened to the artificial language for about 10 minutes.

研究对象听这些人造语言大约10分钟。

An artificial language that is a revision and simplification of esperanto.

一种由世界语修改和简化了的人工语言。