把钋或者钍放在,开一个小口的含铅的盒子里面。

So, you've got polonium or thorium sitting inside this leaded box with one opening.

youdao

由于铅和铅化物具有毒性，因此含铅的颜料和汽油添加物现已被禁用。

Because it and its compounds are poisons (see lead poisoning), lead-based paints and gasoline additives have been phased out in many countries.

youdao

这个测试说明铅在唇膏中可以被发现，这些公司正在生产含铅的产品。

The tests reveal that lead is commonly found in lipstick, and that companies are making products with lead levels all over the board.

youdao

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。

麻省理工公开课 - 固态化学导论课程节选