双语例句原声例句
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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.
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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。
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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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