bitterweed
'bitәwi:d
基本解释
n. 含有苦素的植物(如豚草等)
英文释义
n widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States
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
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