maturation plant的用法和样例：
例句
- Many mature plant cells have a single large central vacuole that confines the cytoplasm to a thin peripheral layer.
许多成熟植物细胞有一个中央大液泡，它使细胞质被挤成外围的一薄层结构。 - In nonwoody plants the primary xylem is the only water-conducting tissue, but in mature plants with secondary growth this function is mostly taken over by the secondary xylem.
在尚未木质化的植物中，初生木质部是唯一的输水组织，但在具有次生生长的成熟植物中，该功能大多由次生木质部行使。
