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词根词缀:bi-, bin-, bino-, bis-

【来源及含义】Latin: two, twice, double, twofold; a number; it normally functions as a prefix

【相关描述】This bi- is used before s, c, or a vowel. Don't confuse this bi- with another one which means "life".

All words except biennial referring to periods of time and prefixed by bi- are potentially ambiguous. Since bi- can be taken to mean either "twice each" or "every two", a word like "biweekly" can be understood as "twice each week" or "every two weeks".

【同源单词】biacid, biangular, biannual, biannual, biarchy, biarticulate

词根词缀:horo-, hour-

【来源及含义】Greek > Latin: hour, time; period of time, season, any limited time

【相关词根词缀】 Related "time" units: aevum, evum; archaeo-, archeo-; Calendars; chrono-; pre-; Quotes: Time; tempo-.

【同源单词】bihourly, encore, horography, horologe, horologic, horologiography