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Week Eighteen (1)

词根: sane; stall; stant-; insul-, isol-;

insane a.精神错乱的;疯狂的 (同：mad, crazy, lunatic, nut)

分析> (in-: not + sane a.神志正常的,健全的)

sanity n.心智健全, 明智 sanitary a.卫生的; insanity n.疯狂;精神错乱 sanitarium n. 疗养院（-arium: 表示地方） wholesome a.健全的;有益健康的 > healthy a. 健康的

install vt.安装

分析> (in-: into + stall: stand 安装就是让...立在里面)

stall n.厩;摊位; (停车场的)车位 vt.把…关入畜舍;使陷入泥潭;使熄火

/installation company: 安装公司/, installment n.分期付款;分期连载

stalk n.（植物的）茎秆 stale a. 不新鲜的,陈腐的 (就是似一潭不流动的死水)

stalemate vt./n. 僵局;使陷入僵局

instantaneous a.瞬间的

分析> (in- +stant-: stand)

（记忆口诀：瞬间就是在里面站立的短暂时间）

instant a.即刻的; 即开即食的 instance n. 例子 constant a. 恒定不变的;坚定的,忠贞的（con-: with + stant-: 永远跟...站在一起） inconstant a. 变幻无常的;见异思迁的 extant a. 现存的 (ex-: out + stant-:stand > 依然立在外面的）

stance n. 立场;姿态 circumstance n.情况;环境

/an instantaneous response：即刻的反应/

insulate vt.使绝缘; 隔离

(分析：insul-: island > isle n.岛)

exile n./v.流亡;流放;放逐 (流放岛孤岛上）

isolate vt.使孤立；insularity n.岛国根性;偏狭; 心胸狭窄(岛国意识）

insulator n. [物] 绝缘体;绝缘瓷参考 > segregate vt. 使隔离

分析> (se-：apart + greg-:group, gregarious a. gregarious being, )

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英语词汇记忆奥秘课程列表：

Week One

-Exercises for Week One

Week Two

-Exercises for Week Two

Week Three

-Week Three (1)

-Week Three (2)

-Exercises for Week Three

Week Four

-Exercises for Week Four

Week Five

-Exercises for Week Five

Week Six

-Exercises for Week Six

Week Seven

-Week Seven (1)

-Week Seven (2)

-Exercises for Week Seven

Week Eight

-Week Eight (1)

-Week Eight (2)

-Exercises for Week Eight

Week Nine

-Exercises for Week Nine

Week Ten

-Exercises for Week Ten

Week Eleven

-Week Eleven (1)

-Week Eleven (2)

-Exercises for Week Eleven

Week Twelve

-Week Twelve (1)

-Week Twelve (2)

-Exercises for Week Twelve

Week Thirteen

-Week Thirteen (1)

-Week Thirteen (2)

-Exercises for Week Thirteen

Week Fourteen

-Week Fourteen (1)

-Week Fourteen (2)

-Exercises for Week Fourteen

Week Fifteen

-Week Fifteen (1)

-Week Fifteen (2)

-Exercises for Week Fifteen

Week Sixteen

-Week Sixteen (1)

-Week Sixteen (2)

-Exercises for Week Sixteen

Week Seventeen

-Week Seventeen (1)

-Week Seventeen (2)

-Exercises for Week Seventeen

Week Eighteen

-Week Eighteen (1)

-Week Eighteen (2)

-Exercises for Week Eighteen

Week Nineteen

-Week Nineteen (1)

-Week Nineteen (2)

-Exercises for Week Nineteen

Week Twenty

-Week Twenty (1)

-Week Twenty (2)

-Exercises for Week Twenty

Week Twenty-one

-Week Twenty-one (1)

-Week Twenty-one (2)

-Exercises for Week Twenty-One

Week Twenty-two

-Week Twenty-two (1)

-Week Twenty-two (2)

-Exercises for Week Twenty-Two

Week Twenty-three

-Week Twenty-three (1)

-Week Twenty-three (2)

-Exercises for Twenty-Three

Week Twenty-four

-Week Twenty-four (1)

-Week Twenty-four (2)

-Exercises for Twenty-Four

Week Twenty-five

-Week Twenty-five (1)

-Week Twenty-five (2)

-Exercises for Twenty-Five

Week Eighteen (1)笔记与讨论

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