柯林斯词典pussy willow /ˈpʊsɪ/ 1. N a willow tree that produces silvery silky catkins, esp Salix caprea or S. cinerea in Britain or S. discolor in North America 褪色柳 返回 pussy willow剑桥词典a tree with small , greyish flowers covered in fur in the spring , or the flowers themselves 褪色柳;柳絮 返回 pussy willow