cottonwoodKK [ˋkɑtəˏnwʊd] /ˈkɑtəˌnwʊd/名詞1白楊、三角葉楊Tall cottonwoods lined the riverbank for several kilometers.高大的白楊沿著河岸綿延好幾公里。2白楊木The old barn doors were made of cottonwood.那座舊穀倉的門是用白楊木做的。