当秃鹰吃下其他体内含铅的动物尸体时,会吸收大量的铅。
When condors eat dead bodies of other animals containing lead, they absorb large quantities of lead.
它与我们面临的其他似乎永远存在的健康恐慌相比如何,比如人们在合成运动场上对铅的恐慌?
How does it compare with the other, seemingly perpetual health scares we confront, like panic over lead in synthetic athletic fields?
不是发现过银和铅的混生矿吗?
They take an atom of lead, accelerate it and have it collide with an atom of nickel.
他们选取一个铅原子,将其加速,让它与镍的原子碰撞。
So, you've got polonium or thorium sitting inside this leaded box with one opening.
把钋或者钍放在,开一个小口的含铅的盒子里面。
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