The mesocotyl, a structure located between the basal part of the seminal root and the coleoptile node of seedlings, cont......

乳汁营养丰富,不仅食用方便,而且容易消化,特别是母乳,更是人类和其他哺乳动物婴儿最理想的天然食品,可以促进婴儿的免疫系统发育......