1. His agony and suffering, shedding his efficacious blood For the forgiveness of sin. �k���ܼ��˵�ʹ�࣬Ϊ���������k��Ч�ĵı�Ѫ��
2. The recently concluded second phase of clinical trial show the vaccine to be both safe and efficacious. ��������ĵڶ����ٴ���������������������缴��ȫ����Ч��
3. He said the movement must accommodate itself with the existing international reality and be nimble and efficacious in tacking its goals. ��˵���������˶�������Ӧ��ǰ���ʵ���ʵ״�������ڴﵽĿ��Ĺ�����Ҫ��������Ч��
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adj.
1. marked by qualities giving the power to produce an intended effect
2. producing or capable of producing an intended result or having a striking effect