例句與造句

1. Transradial ( below the elbow amputation ) and transtibial prostheses ( below the knee amputation ) typically cost between US $ 6, 000 and $ 8, 000, while transfemoral ( above the knee amputation ) and transhumeral prosthetics ( above the elbow amputation ) cost approximately twice as much with a range of $ 10, 000 to $ 15, 000 and can sometimes reach costs of $ 35, 000.
2. It's difficult to find transtibial prostheses in a sentence. 用transtibial prostheses造句挺難的