单词 | water hyacinth |
释义 | water hyacinth in British Englishnoun a floating aquatic plant, Eichhornia crassipes, of tropical America, having showy bluish-purple flowers and swollen leafstalks: family Pontederiaceae. It forms dense masses in rivers, ponds, etc, and is a serious problem in the southern US, Australia, and parts of Africa water hyacinth in American English US a South American aquatic plant (Eichhornia crassipes) of the pickerelweed family, with swollen petioles that float on water and spikes of showy lavender flowers: a pest that blocks water traffic in the S U.S., esp. Florida |
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