基本解释n.周皮同根派生 periderm相关词英汉例句用作名詞 (n.)In damaged stems and roots, and in those undergoing secondary growth, it is replaced by a secondary layer, the periderm.已損傷的莖和根，以及進行次生生長的根莖中，表皮被次生層即周皮代替。periderm更多例句