累计查询 0.00 亿次

ragweed

英 /ˈræɡwiːd/美 /ˈræɡwiːd/
  • n.
    豚草属

双语例句

  1. Ragweed pioneers idle fields.
    豚草常是闲置耕地的先锋植物。
  2. Ragweed that seems to be knitted Out of yellow wool
    豚草好像是由黄色的羊毛
  3. Dating sediments using ragweed and nuclear fallout.
    利用豚草及核放射物对沉积物进行年代推定。

网络短语

  • ragweed fever
    花粉热
  • Ragweed Pollen
    豚草花粉
  • Giant ragweed
    三裂叶豚草；大猪草；大豚草
  • ragweed dermatitis
    豚草皮炎
  • Common Ragweed
    豚草；猪草

词义分布

豚草
90%
豕草
10%

英英释义

  • n.widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity
  • n.any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma

词源

  • ragweed豚草
    来自 ragged,破布般的，粗糙的，weed,草，杂草。比喻用法。
  • ragweed
    rag +‎ weed