The slate is not at all like the lump of putty which we made.

板石, 跟我们以前过的块儿, 一点也不像。

The putty was soft; we could press it into any shape we pleased. But the slate is hard.

是很软的, 我们想要什么形状, 就可以把它捏成什么形状。

He first cuts away the hard stuff which holds the old glass in its place.

他先把旧玻璃周围硬硬的西切, 种硬西叫, 也叫油灰。

This hard stuff is called putty. Then with some fresh putty he fixes in the new pane.

然后再在窗框上抹上一些新的, 把新玻璃装上去。

The putty did not break when it fell to the ground; but if we drop a slate, it will break.

块儿掉在地上是不会碎的, 可要是把一块板石掉到地上就会摔碎。

In a few minutes we shall get a lump of soft putty.

过几分钟, 一块就好了！

What is putty? Let us try to make some for ourselves, and then we shall know all about it.

是什么呀? 咱们可以自己试着一, 样就都明白了！

But why is this putty so useful?

但是, 怎么会么有用呢?

Notice, first, how you can mould or press it into any shape you please.

第一, 你可以把塑成或者压成各种各样的形状。

If the bones are broken, glue and putty are used to put them back together.

如果骨头断了，可以用胶水和将它们重新组合起。

As soon as the putty is made, it begins to dry and to turn hard.

一好了, 就会变干变硬。

The water cannot get through the putty which holds the panes in their places.

窗玻璃让黏住了, 雨水透不过。

For example, a screwdriver can be used to screw in a screw, but it's great for scraping putty off the wall.

例如， 螺丝刀可以用拧螺丝，但它非常适合刮掉墙上的。

I put on a pair of vinyl gloves, remove the nails from the wood with a pair of pliers, mix putty, apply it to the holes and cracks, then use a hot iron to affix strips of fabric.

我戴上了一副乙烯手套， 用一把钳拔出木头上的钉，混合， 将其涂抹在孔洞和裂缝上，然后用熨斗将布条固定上去。