英语词汇“perennial ragweed”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	perennial ragweed
释义	perennial ragweed (extremely rare) n WORD FAMILY perennial ragweed n coarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico Syn\|Hyper Ambrosia psilostachya, western ragweed ambrosia, bitterweed, ragweed any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
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