You can write modules on the fly and you can test and use them later.

您可以动态地编写一些模块，并且您可以在稍后对其进行测试和使用。

youdao

The reason you actually want to use Pyrex, however, is to write modules that run faster -- maybe a lot faster -- than pure Python can possibly run.

然而，您真正希望使用Pyrex的原因是它编写的模块比纯Python运行得更快，可能会快很多。

youdao

The reason you actually want to use Pyrex, however, is to write modules that run faster -- maybe a lot faster -- than pure Python can possibly run.

然而，您真正希望使用Pyrex的原因是它编写的模块比纯Python运行得更快，可能会快很多。

youdao