To rub or scrape out; efface.

擦去；涂去；抹杀。

To erase is to scratch out or otherwise remove by friction, usually in order to make space for something else.

Erase 指刮去或擦去以腾出空间：

To cancel is literally to cross out by drawing lines across, to show that the inscription or passage is not to be used.

Cancel 指画线勾销以示作废之意； to cancel a postage stamp 注销邮票。

To efface is to make illegible, either by deliberate act or through the slower action of time.

Efface 指人为的或因时日久而使字迹模糊：

To obliterate is to remove utterly all traces of.

Obliterate 指完全消除，不留任何痕迹：