VERB
切斷；截(肢)
To amputate someone's arm or leg means to cut all or part of it off in an operation because it is diseased or badly damaged.
例句
To save his life, doctors amputated his legs...
為了挽救他的生命，醫生們截掉了他的雙腿。
He had to have one leg amputated above the knee.
他的一條腿不得不從膝部以上截斷。