[with obj.]make or keep young or youthful; arrest the development of 使年轻;保持年轻;抑制…的生长发育 ■[as adj. juvenilized](Entomology)(of an insect or part of one) having a juvenile appearance or physiology; showing arrested or reversed development (昆)(昆虫或昆虫的一部分)有幼体外貌的;有幼体生理特征的;抑制生长发育的;逆向发育的