关于橡皮擦的英语说明文,60词左右(介绍橡皮擦的外形和作用)
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An eraser is an article of stationery that is used for removing pencil markings.Erasers have a rubbery consistency and are often pink or white.Some pencils have an eraser on one end.Typical erasers are made from synthetic rubber,but more expensive or specialized erasers are vinyl,plastic,or gum-like materials.Cheaper erasers can be made out of syntheticsoy-based gum.