您好，欢迎访问优校网! 收藏本页手机访问

当前位置：优校网 > 英语词典 > 英语单词 > ragweed是什么意思

ragweed

英式英标[\'ræɡwid]
美式音标[\'rægwiːd]

n. 豚草属

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。

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.

实用例句

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.

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.

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.

热门英语单词

考试词汇

使用频率

星级词汇

分类标签