现在我们把镜头推进到现代，把因特网之前的通讯系统设想为原生动物类。

Now zoom forward to our present time and think of our pre-Internet communications systems as sorts of protozoa.

youdao

现在我们把镜头推进到现代，把因特网之前的通讯系统设想为原生动物类。

Now zoom forward to our present time and think of our pre-Internet communications systems as sorts of protozoa.

youdao