Ben's idea was a long iron rod, extending down through a roof.

本的想法是一根长铁棒，从屋顶向下延伸。

A long iron chain was tied to the collar. The other end of the chain was nailed to the wall.

颈圈上系着一根很长的铁链，铁链一头钉在墙上。

But this long, iron cylinder lying in the bay, with no masts or funnels-what were they to make of it?

但我们这只躺在湾中的钢铁圆锥，没有桅槁，没有烟突，他们会怎么想呢？

I left the iron on it too long.

我把烫斗放在上面太久了。

The hole looked like the separator's mouth, and it had long, iron teeth.

这个洞看起来像分离器的嘴，上面长着长长的铁齿。

A long iron rod lay along the ground, from this machine to the big machine.

一根长铁棒沿着地面铺开，从这台机器到那台大机器。

When the kettle was boiling, the old man put a large piece of cheese on a long iron fork, and held it over the fire, turning it to and fro, till it was golden-brown on all sides.

水壶烧开的时候， 老人把一大块奶酪放在长长的铁叉子上， 放在火上，来回转动，直到奶酪四面金黄。