| 单词 | cottonwood | 
| 释义 | cot·ton·woodBrE /ˈkɒtnwʊd/ NAmE /ˈkɑːtnwʊd/ (also ˈcottonwood tree ) noun a type of N American poplartree , with seeds that are covered in hairs that look like white cotton 棉白杨,三角叶杨(产于北美) | 
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