心脏移植曾经一度被认为是不道德的——你怎么可以在一个人的胸部开个洞，然后把心脏移植到另外一个人的身体里呢？
Heart transplants were once considered immoral–how could you open the chest cavity of one person and transplant the heart into the body of another person?
曾经一度，人们认为只有舒张压(下压值)才重要，但事实并非如此。
It was once believed that only diastolic pressure (the "bottom" number) was important, but this is not true.
曾经一度，我极为厌烦潮湿阴沉的冬日，认为只有职业足球运动员才会喜欢。
I had been thinking of the winter as a horrid wet, dreary time fit only for professional football.
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