動詞 operate on:

1. perform surgery on
   同義詞：operate

1. The old man was dying. It was just and shot in the dark to operate on him.
   那老人生命垂危，給他做手術只是沒多大希望地試一試。
2. The doctors decided to operate on him for the tumor.
   醫(yī)生們決定為他開刀切除腫瘤。
3. Designed to operate on land, water, or in air.
   長于陸?？兆鲬?zhàn)的，三棲的可在陸上、水上或空中操作的
4. The doctors shall operate on his central nervous system.
   醫(yī)生們將要對他的中樞神經系統動手術。