例如，从阿拉伯数字系统中取出一个数字，比如说9。

For instance, take a number from the Arabic numeral system, such as 9.

youdao

例如，从阿拉伯数字系统中取出一个数字，比如说9。

For instance, take a number from the Arabic numeral system, such as 9.

youdao