| 单词 | per- |
| 释义 | per- pref. 1. Thoroughly; completely; intensely: perfervid. 2. Containing an element in its highest oxidation state: perchloric acid. 3. Containing a large or the largest possible proportion of an element: peroxide. 4. Containing the peroxy group: peracid. [Latin, from per, through; see per1 in the Appendix of Indo-European roots.] |
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