| 单词 | genus Spirodela |
| 释义 | genus Spirodela (extremely rare) n WORD FAMILY genus Spirodela n minute aquatic herbs floating on the water surface consisting of a shiny leaflike frond and 2-21 roots Syn|Hyper Spirodela liliopsid genus, monocot genus genus of flowering plants having a single cotyledon (embryonic leaf) in the seed |
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