any of numerous wild apple trees usually with small acidic fruit
双语例句
So, it is believed that the Gongliu wild apple forest was destructed badly while the Xinyuan wild apple forest was conserved much better. 上述结果显示，巩留新疆野苹果居群破坏严重，亟待加强保护，而新源新疆野苹果居群保存较完好。
