cottonwood

• 名词，指北美杨属（Populus）几种树木中的任何一种，其特征是种子带有成簇的绒毛；也可指美国阿勒格尼地区的椴树。

A noun referring to any of several North American trees of the genus Populus, characterized by seeds with a tuft of cottony hairs, or alternatively to the American basswood of the Allegheny region.

1. North American poplar treeB2formalamerican

   Any of several North American trees belonging to the genus Populus, characterized by seeds that have a tuft of cottony hairs.

   北美杨树

   • The cottonwood tree by the river shed its fluffy seeds in the spring breeze.
   • We planted a cottonwood sapling in the backyard for shade.
   • The leaves of the cottonwood rustled loudly in the wind.

   同义词poplar

2. American basswoodC1formalamerican

   A type of basswood tree native to the Allegheny region of North America.

   美洲椴树

   • The cottonwood in the Allegheny forest is known for its soft, light wood.
   • Craftsmen often use cottonwood for carving due to its fine grain.
   • The cottonwood's flowers attract bees in the early summer.