她撞到书桌上，受了于伤。

She bruised herself against the desk.

youdao

愿葬吾心于伤膝谷地！

Bury my Heart at wounded knee!

youdao

于伤后1周、2周及4周对骨折处拍摄x线片，放射免疫法测定脊髓前角运动神经元及背根神经节中CGRP含量；

The concentration of serum CGRP in spinal anterior motor-neuron and dorsal root ganglion was measured and X ray photograph taken at 1,2 and 4 weeks after injury.

youdao

These are very deep lesions that go not just on the surface of your skin like a blister would, but down into the dermis or deeper layers of the skins, as well.

这些伤非常深,它们不仅像水泡那样存在于皮肤表面,还深入到真皮层或者皮下更深的地方

耶鲁公开课 - 生物医学工程探索课程节选