bitterweed的翻译，读音
英/'bitәwi:d/
释义：
n. 含有苦素的植物(如豚草等)
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
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