1. This sped the deterioration of health. ����ٽ��������
2. An alarm also sounded, indicating the deterioration of flight systems. һ�����ر���Ҳ���ˣ���������ϵͳ�仵��
3. During such suspension, the Contractor shall protect, store and secure such part or the Works against any deterioration, loss or damage. ��ͣ�ڼ䣬�а���Ӧ�����������Լ����ϸò��ֻ�ȫ�����������κ���ʴ����ʧ����
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n.
1. a symptom of reduced quality or strength
2. process of changing to an inferior state