milfoil

milfoil
[ˈmɪlfɔɪl]
noun
  1. the common Eurasian yarrow
    欧蓍草
  2. (亦作 water milfoil)a widely distributed aquatic plant with whorls of fine submerged leaves and wind-pollinated flowers
    芪草;小二仙草
  3. Genus Myriophyllum, family Haloragaceae
    蓍属(狐尾藻属),小二仙草科
语源
  1. Middle English: via Old French from Latin millefolium, from mille 'thousand' + folium 'leaf'
英语宝典
考试词汇表