橡皮

• Chemists discovered how to make synthetic rubber
  化学家发现了如何制造人造橡皮。
• Jim , put your eraser in your pencil - box , please
  吉姆，请把你的橡皮放在铅笔盒里。
• Materials such as rubber cannot conduct electricity
  橡皮之类的物质不能导电。
• Specification for babies ' elastomeric feeding bottle teats
  婴儿用奶瓶橡皮奶头规范
• I ' ve got two rulers , a rubber and three pencils
  我有两把尺，一块橡皮和三支铅笔。
• Grounding wire : adopt semiconducting rubber wrap
  地线：采用半导电橡皮包覆。
• The rubber belt on this machine has perished
  这个机器上的橡皮带已失去弹性。
• Both were about the size of a pencil eraser
  两个蜘蛛都有铅笔头橡皮的大小。
• I want to buy an eraser in that stationery shop
  我想去那家文具店买块橡皮。