单词 | transactinide |
释义 | transactinide (extremely rare) nadj WORD FAMILY transactinide 1n any of the artificially produced elements with atomic numbers greater than 103 Hyper 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 2adj of or belonging to the elements with atomic numbers greater than 103 |
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