Draff is good enough for swine.喂猪只需要用猪食(意为不作不必要的浪费).The still sow eats up all the draff.不声不响的猪吃光全部的饲料....

draff的音标：draff的英式发音音标为：[dræf]draff的美式发音音标为：[dræf]...

n.残渣，废物，糟粕，酒糟...