基本解释草地农业词组短语短语ley y farming 休闲期耕作;草地农业ley farming system 草田耕作制ley farming更多词组英英字典柯林斯英英字典 the alternation at intervals of several years of crop growing and grassland pasture ley farming剑桥字典ley farming柯林斯字典专业释义农业科学草地农业地球科学休闲期耕作