常見例句雙語例句Arctium in the composite family, having pink or purplish flower heads surrounded by prickly bracts and forming a bur in fruit.牛蒡任一種雜草，主要是菊科牛蒡?qū)俚膬赡晟参?，開粉紅色或略帶紫色的花穗，并被帶有多刺的苞所包圍，形成果實中的刺果。http://www.iciba.com 返回 prickly bur