n. 擦子

◆记忆方法一：
联想方式：er：儿子；as：像；er：儿子
橡皮擦的儿子像黑板擦的儿子
◆记忆方法二：
分析：er---“儿”的拼音； as---“爱死”的拼音首字母； er---“儿”的拼音；
记忆方法：我儿子爱死你儿子的橡皮

◆记忆方法三：
联想方式：er：儿子；as：像；er：儿子
记忆方法：橡皮擦的儿子像黑板擦的儿子
◆记忆方法四：
词根词缀记忆法：eraser n 橡皮；黑板擦（erase+er）,Ras, rad=scrape,表示“刮擦”

cancel/cancer/rid/remove/erase/eraser/delete/abolish/abortion/leave/out/delay/postpone
记忆：
　1. cancel [ 5kAnsEl] can-cel can, 能；cel, 音“省哦” cancel, 能省哦，省掉吧，vt. 取消, 删去 Because of the thunderstorm, our flight has been cancelled. 由于雷暴，我们的航班被取消了。
2. cancer [ 5kAnsE] n. 癌，螃蟹 There is no effective medicine to cure cancer.治疗癌症没有有效药物。
3. rid [ rid ] vt. 使摆脱, 使去掉 You must rid yourself of the smoking habit. 你必须摆脱抽烟的习惯。
4. remove [ ri5mu:v ] vt. 移动, 开除, 移交 The illegal ads must be removed within two days. 两天之内非法广告必须清除。
5. erase [ i5reiz ] vt. 抹去, 擦掉 The picture on the blackboard had been erased when the teacher stepped in. 老师进来时黑板上的画已擦掉了。
6. eraser [ i5reizE ] n. 擦除器, 橡皮 A mistake again. You’d better prepare an eraser yourself. 又一个错误。你最好自备一把橡皮擦。
　 7. delete [ di5 li:t ] 电脑上的del键即为delete的缩写；vt. 删除 The document has been deleted by mistake. 那份文档已被无意中删除了。
8. abolish [ E5bCliF] a-bol-ish, 音“噢，不！”，不能用，则废除，vt. 废止, 废除(法律、制度、习俗等) The law in favor of discrimination should be abolished at once. 有歧视倾向的法律应该马上废除。
9. abortion [ E5bC:FEn ] 音“噢，不行！”，不行的，n. 失败, 夭折, 中止 The abortion of the plan is due to the shortage of money. 计划的夭折原因在于缺钱。
10. leave out 省去, 遗漏, 不考虑 These details are not necessary and can be left out.这些细节并不必要，可以省去。
11. delay [ di5lei] de-lay, 现在不能放，To cause to be later or slower than expected or desired v. 耽搁, 延迟, 延期 Heavy traffic delayed us. 拥挤的交通耽搁了我们。
12. postpone [ pEust5pEun ] To delay until a future time; put off post-pone, 推迟放，vt. 推迟, 使延期 They decided to postpone sending an answer to the company. 他们决定延期答复该公司。
另类阅读：
Mr. Li canceled the dinner party and decided to delay publishing his book about cancer. He would leave out some unnecessary information and delete some chapters. As it’s hard to remove the cancer once it formed in the body, he advised abolishing unhealthy habits. Of course his book wouldn’t be an abortion.