炼铁的英文：
puddling

The way of making iron in ancient times is very crude.
古代炼铁的方法相当原始。

Can ironworker control the quality of the iron?
炼铁工人能否控制铁的质量呢?

Using coke in iron ore reduction produces copious quantities of airborne particulates.
炼铁过程中使用焦炭,会在空中形成大量的悬浮粒子。

"It began about the middle of the 19th century, when the blast furnace came into use. "
第三时期开始于19世纪中叶左右，那时开始采用高炉炼铁。

I know iron ore is the most important raw material for ironmaking, but I don't think it is the only raw material.
我知道铁矿石是炼铁的最重要的原料，但我想它不是唯一的原料。

Could ironworker control the quality of the iron they made then ?
那时炼铁工人能够控制他们所炼的铁的质量吗?

To recover iron from its ores, the oxides are reduced by heating together with coke and limestone.
为了从矿石中提炼铁，必须在铁氧化物中加焦炭和石灰石进行加热，还原出铁来。

Hard rain leaves puddles in the road.
大雨在马路上处处留下泥坑。

The children are having fun puddling in paint.
孩子们在搅颜料玩。

The dog licked up water in a puddle.
狗把水坑中的水舔光了。

During the cold night the puddles skimmed over.
夜间寒冷，水洼面上结了冰。

You mean the sawdust or the peat keeps the soil from puddling?
你是说锯末和泥炭可以防止土壤粘闭吗?