两端必须向外弯.The two ends must be bent outward.铁丝的两端须向外弯.The two ends of the wire must be bent outward ( s ).弓形腿: 在膝盖处外弯的腿.Bowleg: a leg having an outward curvature in the region of the knee....

“外弯”的英语可以翻译为：[医] excurvation，excurvature ...