1. any of several hemolysins derived from strains of streptococcus. 
   来自链球菌系的溶血素。
2. of or related to the pain of angina pectoris. 
   咽痛、肺部痛的或与之相关的。
3. an infection of the oral pharynx and tonsils by streptococcus. 
   由于链球菌所导致的喉咙扁桃体感染。
4. a vasodilator that is sometimes used to treat angina pectoris. 
   用来治疗心绞痛的血管扩张神经剂。
5. inadequate blood flow to the heart muscles; can cause angina pectoris. 
   流过心肌的血液不足；导致绞痛的。

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