one tonne of plutonium extracted from spent nuclear fuel
从废核燃料中提取一吨
one tonne of plutonium extracted from spent nuclear fuel
从废核燃料中提取一吨
Plutonium was first discovered in a Berkeley lab (as were the aptly-named berkelium and californium).
铂就是首先在巴实验室发现(确切名字该叫巴或加福)。
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