单词 | ragweed |
释义 | rag·weedBrE /ˈræɡwiːd/ NAmE /ˈræɡwiːd/ noun [U ]a N American plant with small green flowers that contain a lot of pollen, which causes hay feverin some people 豚草(北美植物,其绿色小花含大量花粉,可引起枯草热) |
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