That comment needs some amplification.
這個評論需要進一步充實。
The rate of amputation is 27% in these cases.
截肢率為27%，總病殘率達55%。
You ever see another amputation at an angle like that?
你見過象他那種角度的切斷手術嗎？
Energy expenditure can be minimized by a properly performed above-the-knee amputation.
能量消耗可通過恰當的膝上截肢術最小化。
She retained a number of copies for further annotation.
她保留了許多副本以便作進一步的注解。