thistle/ˈθɪsl; `θɪsl/ nany of various types of wild plant with prickly leaves and purple, white or yellow flowers (the national emblem of Scotland) 蓟（野生, 叶有刺, 花呈紫色、 白色或黄色, 为苏格兰的民族象徵）. =>illus at App 1 见附录1插图, page ii.
牛津英汉双解词典