Harefield Hospital has become world-famous for its pioneering heart transplant surgery.是什么意思？

Harefield Hospital has become world-famous for its pioneering heart transplant surgery.

哈瑞福德医院以其开创性的心脏移植手术闻名于世。

hospital

n. 医院，收容所，养老院，〈古〉旅客招待所；

例句
30 per cent of psychiatric hospital beds are occupied by people of no fixed abode.
精神病院30%的床位是被无家可归者占据的。

has

v. 有( have的第三人称单数 )，（亲属关系中）接受，拿，买到；

例句
...the operation a patient has had.
病人做过的手术

become

vi. 变为，成为，变得，变成；vt. 适合，适宜，相称，相当，变成，发生；

例句
...abandoned buildings that become a breeding ground for crime.
沦为了犯罪温床的弃置楼群

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

its

pron. (it的所有格形式)它的，厥；

例句
The government is to accelerate its privatisation programme.
政府将加快其私有化计划的进程。

pioneering

adj. 首创的，先驱的，开创性的；v. pioneer的现在分词；

例句
The school has won awards for its pioneering work with the community...
这所学校因其针对该社区具有开创性的工作而获奖。

heart

n. 心，心脏，感情，要点，胸部；vt. 鼓励，激励；vi. 结心；

例句
...abnormal heart rhythms and high anxiety levels.
心律不齐和高度焦虑

transplant

vt. 移植，移种，移民，迁移，移植（器官、皮肤、头发等）；n. （器官、皮肤、头发等的）移植，移植物，移植者；vi. 迁移，移居，经得起移植；

例句
The arteries are diseased and a transplant is the only hope...
动脉已经发生病变，移植是唯一的希望。

surgery

n. 外科学，外科手术，手术室，诊所，诊断时间；

例句
For many, the dentist's surgery remains a torture chamber.
对许多人来说，牙医的治疗室一直是间受刑室。