Lead is good for all sorts of things.

铅的用途非常广泛。

It's a device that will seed the Earth's atmosphere with lead.

他们有个能向地球大气散播铅的装置。

It is made of lead mixed with sulphur.

它是硫和铅的化合物。

Over a century has passed since the dangers of consuming lead became widely known.

一个多世纪以来，摄入铅的危险已经广为人知。

We would need heavy lead protection and that's very difficult to lift off the ground.

我们需要厚重的铅的保护，使得在地面上举步艰难。

That is the worst effect of the lead.

这是铅最坏的影响。

The puck is made of a rubber-covered lead and weighs one and a half kilos.

这个冰球是用橡胶盖的铅做成的，重1。5千克。

It was also found to be an effective preservative, because, you know it kills, stuff.

他们甚至还发现铅是很好的防腐剂，因为铅的杀伤力一流。

And it was just appalling to see the number of people who were affected by lead in water.

看到有很多人受到了水里铅的影响，真是令人震惊。

It is so soft that it can be easily scratched with the thumb nail.

铅的质地特别软, 用大拇指的指甲就很容易划出痕迹。

Lead is between blue and grey in colour, so we call it bluish-grey.

铅的颜色介于蓝色和灰色之间, 所以叫“蓝灰色”, 英语是bluish-grey。

11-year-old Gitanjali Rao from Lone Tree Colorado wanted to do something about the problem of lead in drinking water.

来拉多州，隆纳特里的11岁的吉檀迦利饶，想解决关于饮用水中铅的问题。

The chemical symbol for lead is Pb.

铅的化学符号是Pb。

In 2008, Israel launched a ground operation called Operation Cast Lead, took 22 days.

2008 年，以色列发起了一项名为铸铅行动的地面行动，历时 22 天。

The pollution risk comes from lead derived from fuels, old water pipes and paint.

污染风险来于燃料、旧水管和油气中的铅。

The researchers found that levels of lead contamination remained fairly low in ancient Greece.

研究人员发现，古希腊的铅污染水平仍然相当低。

She said the special coffins with the lead inside slow the breakdown of the body.

她说，特制的铅棺材可以减缓尸体分解的速度。

Some of those books are even kept in a box lined with lead.

其中一些书籍甚至保存在一个衬铅的盒子里。

The biggest danger comes when they consume toxic substances like lead in paint or parasites in the soil.

最大的危险来于它们会摄入油漆中的铅或土壤中的寄生虫等有毒物质。

If we scrape a piece of lead with a knife, the new surface is bright and shining.

如果我们用小刀切下一块铅来, 铅的断面就是闪闪发亮的。