半生期 bànshēngqī half-life Definitions Defs Origin Strokes Stroke Words Sentences Sents 半 bàn numeral half one half; semi-; specifically used after a number and a measure word to mean "and a half"生 shēng noun life life; lifetime; existence期 qī noun period A designated period of time, phase, or stage; also refers to a scheduled date or deadline
