Two Dwarfs were at the bellows, another was holding a piece of red-hot metal on the anvil with a pair of tongs.

两个小矮人在下边，另一个用钳子夹住砧子上一块烧红的铁块。

I was so ragged and dirty, that you wouldn't have touched me with a pair of tongs'.

我衣衫褴褛，脏兮兮的，你用钳子也不会碰我的。

You're going to need an empty aluminum soda can, a hot plate, some water, something to measure the water with, like a tablespoon, a bowl of ice water, and a pair of tongs to flip the can over.

你需要一个空的铝制易拉罐，一个热盘子，一些水，用来量水的东西，比如大汤匙，一碗冰水，还有一把夹子来翻转易拉罐。