| 单词 | atomic number 115 |
| 释义 | atomic number 115 (extremely rare) n WORD FAMILY atomic number 115 USAGE EXAMPLESScientists have presented new evidence for the existence of an unconfirmed element with atomic number 115. BBC(Aug 27, 2013) n a radioactive transuranic element Syn|Hyper Uup, element 115, ununpentium 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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