| 单词 | alfalfa |
| 释义 | Word Frequency alfalfa(ælˈfælfə) noun a leguminous plant, Medicago sativa, of Europe and Asia, having compound leaves with three leaflets and clusters of small purplish flowers. It is widely cultivated for forage and as a nitrogen fixer and used as a commercial source of chlorophyll Also called: lucerneWord origin C19: from Spanish, from Arabic al-fasfasah, from al the + fasfasah the best sort of fodder |
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