英语说明文

发布时间：2025-12-07 | 来源：互联网转载和整理

Aneraserisanarticleofstationerythatisusedforremovingpencilmarkings.Erasershavearubberyconsistencyandareoftenpinkorwhite.Somepencilshaveaneraserononeend.Typicalerasersaremadefromsyntheticrubber,butmoreexpensiveorspecializederasersarevinyl,plastic,orgum-likematerials.Cheapereraserscanbemadeoutofsyntheticsoy-basedgum.

--http://en.***.org/wiki/Eraser