Noun:
-
a specialist in cardiology; a specialist in the structure and function and disorders of the heart
- The doctor referred her to a heart specialist.
医生嘱咐她转诊于一位心脏病专家。
- When the study began, some heart specialists said it could never enroll enough patients.
研究开始时，有些心脏病专家称根本无法找到足够的患者。
