noun🔗Share胚乳 Tissue surrounding the embryo of flowering plant seeds, that provides nutrition to the developing embryo; usually triploid"The endosperm of the sunflower seed provides nourishment for the tiny seedling as it grows. "向日葵种子的胚乳为幼苗的生长提供养分。biologyplantseedagricultureChat with AIVocabulary GamePractice Reading