Once sedated, the vets cut unique notches into the rhino's ears, so that they can be easily identified.

犀牛一旦被麻醉，兽医就在它的耳朵上刻上独特的凹槽，这样就可以很容易地识别他们。

The road rose again, to a scene like a painted backdrop. Notched into a cut of red clay crowned with oaks the road appeared to stop short off, like a cut ribbon.

道路再次上升，变成一幅如彩绘背景的景象。这条路开进了一片红土，上面长满了橡树，就像一条剪断的丝带，似乎很快就停了下来。