他意外切断了手指。

He cut off his finger by accident.

youdao

加州大学圣迭戈分校的外科医生，Quyen Nguyen领导的团队已经设计出一种使神经发光的途径，这样神经被意外切断，导致永久性伤害的几率就会减少。

A team led by Quyen Nguyen, a surgeon at the University of California, San Diego, has devised a way to illuminate nerves so that they are less likely to be cut accidentally, causing lasting damage.

youdao