體外 tǐwài outside the body Origin Definitions Defs Strokes Stroke Words Sentences Sents 体外受精 tǐwàishòujīng external fertilization external fertilization; fertilization occurring outside the body, such as in vitro fertilization or the natural process in many aquatic animals自动体外除颤器 zìdòngtǐwàichúchànqì AED automated external defibrillator