英语语法分析

But Internet is a double-bladed sword.

但是互联网是一把双刃剑。

It is both a fiery bladed weapon, and pyromancy flame.

它同时是一把燃烧的刀刃武器和咒术之火。

Driven and supported from above, there is a four-bladed rotating head.

传动的支持部分匀在上部，有四个叶片的旋转头。