| 单词 | ununtrium |
| 释义 | ununtrium (extremely rare) n WORD FAMILY ununtrium n a radioactive transuranic element Syn|Hyper Uut, atomic number 113, element 113 chemical element, element any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
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