flowering plant with two cotyledons; the stem grows by deposit on its outside
同义词：dicot, magnoliopsid, exogen
dicotyledon详细解释
di.cot.y.le.don n.（名词）A flowering plant with two embryonic seed leaves or cotyledons that usually appear at germination.双子叶植物：具有两片胚籽的或通常在萌芽上有双子叶的花卉植物 【引伸】 di.cot.yle.donous
