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单词 per-
释义

Collins Concise English Dictionary © HarperCollins Publishers::
per- prefix
  1. through: pervade
  2. throughout: perennial
  3. away, beyond: perfidy
  4. (intensifier): perfervid
  5. indicating that a chemical compound contains a high proportion of a specified element: peroxide, perchloride
  6. indicating that a chemical element is in a higher than usual state of oxidation: permanganate, perchlorate
Etymology: from Latin per through
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更新时间:2024/11/11 8:28:04