You can erase pencil marks with a rubber.
你可以用橡皮擦掉铅笔记号。
Pieces of bread were used to erase lead pencil before rubber came into use.
在橡皮擦使用之前，人们用一片面包来擦铅笔字。
Finally the rubber, the ordinary rub out the pencil, eraser, can only and it can also erase pen, ball-point pen, such as a variety of ink.
最后是橡皮了，普通的橡皮只能擦掉铅笔字，而它还能擦掉钢笔、圆珠笔等多种墨迹。
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