- any plant of the chiefly North American genus Ambrosia, such as A. artemisiifolia (common ragweed): family Asteraceae (composites). Their green tassel-like flowers produce large amounts of pollen, which causes hay fever
Also called: ambrosia
| 单词 | ragweed |
| 释义 | WordReference Random House Learner's Dictionary of American English © 2024 rag•weed /ˈrægˌwid/USA pronunciation n. [uncountable] WordReference Random House Unabridged Dictionary of American English © 2024
rag•weed (rag′wēd′),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: ragweed /ˈræɡˌwiːd/ n
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