体内 tǐnèi inside the body Definitions Defs Origin Strokes Stroke Words Sentences Sents 体 體 tǐ nounadjective body (bound form) the physical body of a human or animal; a part of the body such as a limb; also refers to physical health as in 身体 shēntǐ内 內 nèi locative heart (bound form) inside the body or mind; the internal organs; the heart; one's inner feelings or conscience