a Eurasian and African plant of the pea family related to alfalfa, some kinds of which are grown for fodder or green manure and some are troublesome weeds 苜蓿属植物,苜蓿
Genus Medicago, family Leguminosae 苜蓿属,豆科
语源
late Middle English: from Latin medica, from Greek Mēdikē (poa) 'Median (grass')