过
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过;高
A prefix used to signify through, throughout, by, for, or as an;intensive as perhaps, by hap or chance; perennial, that lasts;throughout the year; perforce, through or by force; perfoliate,;perforate; perspicuous, evident throughout or very evident; perplex,;literally, to entangle very much.;Originally, denoting that the element to the name of which it;is prefixed in the respective compounds exercised its highest valence;;now, only that the element has a higher valence than in other similar;compounds; thus, barium peroxide is the highest oxide of barium; while;nitrogen and manganese peroxides, so-called, are not the highest oxides;of those elements.
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过;高
A prefix used to signify through, throughout, by, for, or as an;intensive as perhaps, by hap or chance; perennial, that lasts;throughout the year; perforce, through or by force; perfoliate,;perforate; perspicuous, evident throughout or very evident; perplex,;literally, to entangle very much.;Originally, denoting that the element to the name of which it;is prefixed in the respective compounds exercised its highest valence;;now, only that the element has a higher valence than in other similar;compounds; thus, barium peroxide is the highest oxide of barium; while;nitrogen and manganese peroxides, so-called, are not the highest oxides;of those elements.
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Dictionary facts from ECDICT.