A pocket one. Simple but clear.

是一种袖珍词典，简单但明了。

youdao

But the first machine was very simple and the voice was only one type and not clear.

但是第一台机器非常简单，只能发出一种声音并且很不清晰。

youdao

But the first machine was very simple and the voice was only one type and not clear.

但是第一台机器非常简单，只能发出一种声音并且很不清晰。

youdao