beta-caroteneWiktionary 原文英/biː.təˈkær.ə.tiːn/美/ˌbeɪ.təˈkær.əˌtin/构词拆解beta词干+carotene词干词源说明From beta + carotene.释义名词noun1(biochemistry) A plant pigment that is an isomer of carotene, found in dark green and dark yellow vegetables and fruits and important in the diet as a precursor of vitamin A.同族词相关词 1