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ragweed是什么意思

2024-02-03 22:35:17
ragweed
美[ræɡwiːd]  英[ræɡwiːd]
n.  豚草
  近义词:benweed,ragwort,Seneciojacobaea,tansyragwort,bitterweed,ambrosia,

英英释义

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

例句

  1. One ragweed plant can release as many as one billion grains of pollen. 一株豕草可以放出十亿颗花粉?
  2. Limit your outside activities if you are bothered by ragweed and mold. 当你受豚草和霉菌困扰时,尽量限制户外活动。
  3. Patients who demonstrated moderate to seere rhinitis symptoms upon exposure to ragweed were admitted to the study. 暴露于豕草而激发严重鼻炎症状并证实得到缓解的患者加入该研究。
  4. TOLAMBA is designed to target the underlying cause of seasonal allergic rhinitis caused by ragweed. TOLAMBA是针对由豕草引起的季节性变应性鼻炎的根本原因设计的。
  5. The two grubby small boys with two-coloured hair who were digging among the ragweed in front yard. 两个肮里肮脏的长着亚麻色头发的小男孩正在前院的杂草丛里挖什么东西.
  6. Title: Cloning and sequencing of homologous panallergen genes in pollen of short ragweed (Ambrosia artemisiifolia L. 关键词:基因克隆;多序列比较;泛过敏原;豚草