noun🔗Share总苞,苞片。 Conspicuous bract, bract pair or ring of bracts at the base of an inflorescence."The botanist pointed out the prominent involucre of bright green bracts surrounding the sunflower's developing flower head. "植物学家指出了向日葵正在发育的花头上,那圈醒目的、亮绿色的总苞,也就是围绕花头的苞片。plantpartbiologynatureChat with AIVocabulary GamePractice Reading