| ragweed | (n) หญ้าตระกูล Ambrosia มีละอองเกสรทำให้เป็นหืดหอบได้ |
| ragweed |
| ragweed | (n) any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma, Syn. bitterweed, ambrosia |
| ragweed pollen | (n) pollen of the ragweed plant is a common allergen |
| Ragweed | n. (Bot.) A common American composite weed (Ambrosia artemisiaefolia) with finely divided leaves; hogweed. [ 1913 Webster ]
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| 豚草 | [ぶたくさ, butakusa] (n) ragweed [Add to Longdo] |
| Ragweed; beifußblättriges Traubenkraut; beifußblättrige Ambrosie { f } [ bot. ] | ragweed [Add to Longdo] |