ectohormoneWiktionary 原文英美构词拆解ectoecto-前缀hormonehormone词干ecto-Outside. · (chiefly in fantasy fiction) Ghost-related.词源说明From ecto- + hormone.释义名词noun1(biology) Any hormone that is secreted into an individual's environment and affects the behaviour or activity of another individual (of the same or different species) in the manner of a pheromone.