cankered/ˈkæŋ.kɚd/形容词(植物)得溃疡病的cankered apples得了溃疡病的苹果溃烂的;恶性的;恶毒的The evil cannot be purged from their cankered hearts.无法将邪恶从他们扭曲的心灵中清除。想跟读,去练习