thistle

详细解释:n. 蓟
相关词组:
as light as thistle down

英语解释：

名词 thistle:

any of numerous plants of the family Compositae and especially of the genera Carduus and Cirsium and Onopordum having prickly-edged leaves

例句：

The thistle is the emblem of Scotland.蓟是苏格兰的标志。