| 单词 | Ambrosia artemisiifolia |
| 释义 | Ambrosia artemisiifolia (once / 3939771 pages) n WORD FAMILY Ambrosia artemisiifolia n annual weed with finely divided foliage and spikes of green flowers; common in North America; introduced elsewhere accidentally Syn|Hyper common 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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