1. The liver is an organ and so is the heart.
    肝脏是一种器官, 心脏也是.

2. Alcohol may cause damage to the liver.
    酒精可能会损坏肝脏。

3. Recently I operated in vain on an eighty -year-old woman with cancer of the liver ...
    最近，我给一位80岁的患肝癌的妇女动过手术，但没有成效。