plutonium
柯林斯词典
1. N-UNCOUNT Plutonium is a radioactive element used especially in nuclear weapons and as a fuel in nuclear power stations. 鈈 (一種放射性元素)
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plutonium /pluːˈtəʊnɪəm/
剑桥词典
- a chemical element that is a metal used in the production of nuclear power , and in nuclear weapons
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