| 单词 | hydrilla |
| 释义 | hydrilla(haɪˈdrɪlə) noun any aquatic plant of the Eurasian genus Hydrilla, growing underwater and forming large masses: used as an oxygenator in aquaria and pools. It was introduced in the S US where it has become a serious problem, choking fish and hindering navigation Word origin C20: New Latin, probably from hydra |
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