thistledown
n. 蓟花的冠毛
adj. 非常轻的
英英释义
Noun
- 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.)
- It is as light as thistledown.它和蓟花的冠毛一样轻。