| 单词 | atomic number 104 |
| 释义 | atomic number 104 (extremely rare) n WORD FAMILY atomic number 104 n a radioactive transuranic element which has been synthesized Syn|Hyper Rf, Unq, element 104, rutherfordium, unnilquadium 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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