柯林斯词典aspen /ˈæspən/ (aspens) 1. N-VAR An aspen is a tall tree with leaves that move a lot in the wind. 山杨 返回 aspen剑桥词典a tree of the poplar family , with leaves that shake even when there is only a little wind （欧洲）山杨；（北美）大齿杨 On our walk along the river we passed thundering waterfalls and quivering aspens. 我们沿着河岸散步，一路经过了雷鸣般的瀑布和摇曳的山杨树。 返回 aspen