英語說明文
發(fā)布時間：2025-12-07 | 來源：互聯(lián)網(wǎng)轉(zhuǎn)載和整理
Aneraserisanarticleofstationerythatisusedforremovingpencilmarkings.Erasershavearubberyconsistencyandareoftenpinkorwhite.Somepencilshaveaneraserononeend.Typicalerasersaremadefromsyntheticrubber,butmoreexpensiveorspecializederasersarevinyl,plastic,orgum-likematerials.Cheapereraserscanbemadeoutofsyntheticsoy-basedgum.
--http://en.***.org/wiki/Eraser