It provides a raised area at the back of the phone which helps stop you scratching the handset when you put it down.

它在手机背面提供了一个抬高的区域，以助于防止你在放下它时把电话听筒划伤。

youdao

Personally I found this of virtually no use other than it providing a raised area at the back of the phone which helps stop you scratching the handset when you put it down.

我个人发现这几乎没有用此外它在手机背面提供了一个抬高的区域以防止你在放下手机时把手机划伤。

youdao

Neurodermatitis is apparently caused by repeated scratching of an itchy skin area.

神经性皮肤炎是由于患者习惯去挠、去抓皮肤，最后把这块皮肤抓成炎症。

youdao

Where a government security detail previously stood guard with machine guns, cars were parked and reporters roamed the area scratching for details.

CNN: Lawyer: Pakistani nuclear scientist freed from house arrest

The area's bears like to use the pineboard sides of the hide as a scratching post when humans are not around.

BBC: Qu��bec's wood runners