ragweed
英 ['rægwiːd]
美['ræɡwid]
- n. 豚草属
英英释义
- 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
实用场景例句
- Patients who demonstrated to severe 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.
互联网
- 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.
互联网
中文词源
ragweed 豚草
来自 ragged,破布般的，粗糙的，weed,草，杂草。比喻用法。
双语例句
- 1. 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.
来自互联网
- 2. Patients who demonstrated to severe 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.
来自互联网
- 3. 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.
来自互联网
英文词源
- ragweed (n.)
- 1790, from ragged + weed (n.); so called from shape of the leaves. Applied to a different plant (ragwort) from 1650s.