单词 rem 释义 ▪ I. rem, a.Slang abbrev. of remanded ppl. a.1887[see bust n.3 d].▪ II. rem, n.1|rm|Pl. rem, rems.[f. initial letters of roentgen equivalent man.]Orig., a quantity of ionizing radiation having the same effect on human tissue as one roentg...
单词 REM 释义 REM, n.2|rm, rim|Also rem.Abbrev. of rapid eye movement (see rapid a. 2 b). Freq. attrib., designating a distinctive type of sleep that occurs at intervals throughout the night and is characterized by such eye movements, more dreaming and b...