Nuclear Physics. Having a very large atomic mass; spec. designating chemical elements with atomic numbers greater than those of the naturally…
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| 单词 | θ79619 |
| 释义 | the world > matter > physics > atomic nucleus > radioactive isotope > [adjective] > heavy > superheavy (1) superheavy1929 Nuclear Physics. Having a very large atomic mass; spec. designating chemical elements with atomic numbers greater than those of the naturally… |
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