n.[植]三角叶杨；棉白杨
Cottonwood.
n.科顿伍德河(美明尼苏达州河流名)
Several scrawny cottonwood trees do not usually generate much excitement in the world of ecology. 在生态学世界中,几株瘦骨嶙峋的三角叶杨通常没什么好令人兴奋的。
Its banks were shaded by cottonwood and redwood trees. 河流的两岸被棉花树和红木树遮蔽住了。
