你本不能在入门阶段，接触到这些东西的。

You would never touch these things at the introductory level.

youdao

声音到门阶边停住了。

The sound stopped by the doorstep.

youdao

这样学习一门外语是很有趣的，尤其对入门阶段的人而言。

It’s a fun way to learn the basics of a language.

youdao

进化，不会如同一个预先制成的包裹，放置在你们人类的门阶上。

Evolution is not going to arrive as a preformed package on your human doorstep.

youdao

进化，不会如同一个预先制成的包裹，放置在你们人类的门阶上。

Evolution is not going to arrive as a preformed package on your human doorstep.

youdao