feed grainfi:dɡrein短语¹⁴⁴⁹⁷²⁺² 基本英英例句 饲料谷物 Noun: grain grown for cattle feed There are still problems such as low transforming rate of feed grain, unsound veterinarian service and market circulation system in livestock industry growth. 在畜牧业生产增长过程中,仍然存在饲料转化率低,兽医服务体系和市场流通体系不健全等问题。 cnki