adj.無(wú)能力的;不勝任的
These enzymes are incapable of breaking down or digesting wool,hair or silk fibres which are to them indigestible protein. 這些酵素壓倒或消化羊毛,頭發(fā)或?qū)λ麄兊慕z纖維是無(wú)能力的不消化的蛋白質(zhì)的。