thistledown
noun [ U ] uk/ˈθɪs.əl.daʊn/ us/ˈθɪs.əl.daʊn/
(白色)蓟种子冠毛
the mass of thin, soft, white threads that are joined to thistle seeds and help them to be blown through the air
英汉双解词典收录81607条英汉双解翻译词条,基本涵盖了全部常用单词的读音、翻译及用法,是英语学习的有利工具。