1. But these early misgivings were not shared by everyone, and, in May 1968, one of Britain´s most eminent cardiac surgeons, Donald Ross, decided to perform the operation on 45-year-old Frederick West.
    但是，并不是所有人都怀有这种疑问。1968年5月，作为英国最著名的心脏外科医生之一的唐纳德·威斯决定给四十五岁的弗雷德里克·韦斯特进行心脏移植手术。

2. The New York stores sell about 45,000 stems a week, along with other items like balloons and stuffed animals.
    纽约的花店每周售出45,000支玫瑰，同时也兼售其他物品，如气球和毛绒动物等。

3. Iron deficiency is very common among women in general, affecting one in four female teenagers and one in five women aged 18 to 45, respectively.
    缺铁在多数女性中是很常见的，十多岁的少女四人中有一人缺铁，18至45岁的女性五人中有一人缺铁。

4. Flight 830. Departure 10:45 p.m.
    830号班机。起飞时间：晚上十时四十五分。