单词 | atomic number 108 |
释义 | atomic number 108 (extremely rare) n WORD FAMILY atomic number 108 n a radioactive transuranic element Syn|Hyper Hs, element 108, hassium 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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