| 单词 | acotyledon |
| 释义 | acotyledon —acotyledonous /ay"kot'l eed"n euhs, ay kot'-/, adj. /ay"kot'l eed"n, ay kot'-/, n. a plant without cotyledons, therefore one belonging to a group lower than the seed plants. [1810-20; A-6 + COTYLEDON] |
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