Shirley's brother is now a consultant heart surgeon in Sweden.雪利的兄弟现在在瑞典做心脏外科高级顾问医师。She's a heart surgeon.她是一名心脏外科医生。The young intern was mentored by the country's top heart surgeon.这位年轻实习生由全国著名的心脏外科医生指导。Heart surgery exacts tremendous skill and concentration.心脏外科手术要求手术者技术高超且精神高度集中。