thistledown

英 ['θɪsldaʊn] 美 ['θɪsldaʊn]

• n. 蓟花的冠毛
• adj. 非常轻的

英英释义

Noun:

1. pappus of a thistle consisting of silky featherlike hairs attached to the seed-like fruit of a thistle

例句

用作名词 (n.)

1. It is as light as thistledown.
   它和蓟花的冠毛一样轻。