any of several genera of small free-floating stemless plants that have with small rounded leaves that and often covers large areas of the surface of still water: family Lemnaceae
| 单词 | duckweed |
| 释义 | duckweednounany of several genera of small free-floating stemless plants that have with small rounded leaves that and often covers large areas of the surface of still water: family Lemnaceae |
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