十二时 shí'èrshí twelve two-hour periods Origin Definitions Defs Strokes Stroke Words Sentences Sents shí'èrshí twelve two-hour periods · all day long 十二 shí'èr numeral twelve the number twelve; 12时 時 shí shichen any of the twelve two-hour periods into which the day was traditionally dividedshí'èrshí Shi'ershi 十二 shí'èr numeral twelve the number twelve; 12时 時 shí noun time time; a period of time; an era or age