常见例句用作名詞 (n.)Ligules are important taxonomic features in grasses.在禾本科植物中，葉舌是重要的分類學特征。In grasses the ligule occurs at the junction of the leaf sheath and lamina.在禾本科植物中，葉舌生長在葉鞘和葉片的交界処。 返回 grasses