大家都搜：
"You"铅
1、uranium───n.[化学]You
2、uranium news───You新闻
3、lead───n.领导；铅；导线；榜样；vi.导致；用水砣测深；vt.领导；致使；引导；指挥；n.(Lead)（英）利德（人名）
4、uranium symbol───You符号
5、uranium enrichment───[核]You浓缩
6、enriched uranium───[核]浓缩You
7、uranium 235───[化学]You235
8、lead to───导致；通向
9、uranium mining───You矿开采
1、That was basically because the uranium-lead dating.───这就是You元素标记的基本原理。
2、Because of this, this new way of doing Uranium-Lead Dating, we've been able to determine that one of our major assumptions about the Grand Canyon was wrong.───因为有这种新的You铅定年方法，我们才得以确定我们对大峡谷的一个主要假设是错误的。
3、Like I said before, Uranium-Lead Dating has been with us for a while.───就像我之前说到的，You铅年代测定法已经存在一段时间了。
4、But now we've learned something different and quite a surprising using a technique called uranium-lead dating.───但是现在我们又学到了一门新的技术-同位素You元素标记。
5、Energy resources are there in abundance, as are diamonds, uranium, lead, zinc and copper.───那里有丰富的能源资源，还有钻石，You，铅，锌和铜。
6、Uranium-Lead Age Determination of Single Zircon Grain by Laser Ablation Microprobe-Inductively Couple Plasma Mass Spectrometry───激光探针等离子体质谱测定单颗粒锆石You-铅年龄
7、I should say the uranium-lead dating has been range for quite a while. But there have been a quite refine them.───同位素You元素标记已经使用了很长时间，但是有对他们定义，我会稍微讲解几分钟。
8、The crust granites have higher lead isotope ratios and are richer in uranium lead but poorer in thorium lead.───壳型花岗岩具较高的铅同位素比值和富You铅贫钍铅的特点；