| 单词 | ragweed |
| 释义 | ragweedn. 豚草【医】 豚草, 豕草 ragweed rag.weed AHD: [r²g“w¶d”] D.J. [6r#g7wi8d]K.K. [6r#g7wid]n.（名词）1. Any of various weeds of the genusAmbrosia having small, greenish, unisexual flower heads and producing abundant pollen that is one of the chief causes of hay fever. 豚草：一种豚草 属的杂草，有绿色、单性花朵，能产大量花粉，是引起花粉热的主要原因之一 2. Chiefly British Ragwort.【多用于英国】 千里光属语源:[From the ragged shape of its leaves] [源于其叶片破裂的形状] |
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