详细解释:n. 驴食草
英语解释：
名词 sainfoin:
Eurasian perennial herb having pale pink flowers and curved pods; naturalized in Britain and North America grasslands on calcareous soils; important forage crop and source of honey in Britain同义词：sanfoin, holy clover, esparcet, Onobrychis viciifolia, Onobrychis viciaefolia