Horseweed

[hɔ:swi:d]

解释:

(noun.) common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron.

校对:史蒂文--From WordNet

解释:

(n.) A composite plant (Erigeron Canadensis), which is a common weed.

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