Leaf Anatomical Characters and Its Ecological Adaptation of the Pioneer Species in the Karst Mountain Area--With a Special Reference to the Huajiang Canyon of Guizhou是什么意思_Leaf Anatomical Characters and Its Ecological Adaptation of the Pioneer Species in the Karst Mountain Area--With a Special Reference to the Huajiang Canyon of Guizhou在线翻译_英语_读音_用法_例句