If an old door had to be kept, a bit of hardboard tacked on to the front of it achieved a clean, modern look.

一扇旧式红以硬重新包钉，重塑现代整洁外观，才能免遭沦为垃圾厄运。

Should we have a hardboard keyboard or should we have a virtual keyboard?

我们应该采用实体盘还是虚拟盘？

And then you have hardboard, and that's even stronger than fiberboard.

然后你还有硬质纤维板，它比纤维板还坚固。

Hardboard is the same thing, but pressed together, like you said, under pressure.

硬质纤维板也是同样西，不过正如你所说，它是通过高压压制而成。

It has a lot of fiber, so it can be turned into hardboard strong enough to make buildings.

它含有大量纤维， 因此可以制成足够坚固硬板来建造建筑物。