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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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