Noun:

1. any of several North American trees of the genus Populus having a tuft of cottony hairs on the seed

2. American basswood of the Allegheny region

cottonyadj.像棉样的；起毛的；胎毛似的cottonn.棉花；棉制品；棉布cotton prints花布cotton sliver棉条cotton chintz擦光印花棉布cotton opener梳棉机cotton waster[电] 废纱cotton duster棉花喷粉机cotton yellow棉染黄cotton pliers棉花镊子, 棉花镊cotton fibers棉纤维cotton effect科顿效应

1. 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。
2. 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。