ragweed
英 ['rægwiːd]
美['ræɡwid]
- n. 豚草属
英英释意
- 1. widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity
- 2. any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma