thistledown
['θisldaun]
n.蓟花的冠毛 adj.非常轻的
例句与用法:
The thistle is the emblem of Scotland.
蓟是苏格兰的标志。
The man made up his mind to grasp the thistle firmly.
这个人痛下决心,毅然处理困难局面。
n.
蓟种子冠毛(常是白色的)
a.
非常轻的