9. de-否定,去掉,减少,离开 deva lue,deforestation, decode
10.em-用在b.p.前,使…进入状态 embody, empower,
11. ex- 前,前任 ex-wife, ex-Psident
12. extra- 额外的,外部的 extraordinary extracurricular
13. en- 使…进入状态 endanger, enlarge
14. fore- 前,提前,预先 forearm, forewarn, forecast
15. homo-同类的, homosexual, homogeneous, homocentric
16. hyper-超过,太多, hyperbole(夸张), hyperactive(过度活跃的), hypercritical(虚伪的)
17. in-/ im-/il-/ir- 不,反,indirect, insensitive, immoral, impossible, illegal, illiterate, irregular, irresponsible,
18. inter-在…之间,相互, international, interchange
19.intra-/intro- 向内,入内 introduce, introspect, introvert (性格内向的人)
20.macro-表示“宏伟”“大”macroeconomic(宏观经济,整体经济), macrostructure (宏观结构)
21.mal-表示“坏”“恶”,malfunction (故障),maltreat(虐待,滥用)
22. micro-表示“微” “小”microeconomic (微观经济),microscope(显微镜),microelectronics(微电子学)
23 .mid- 表示“中,中部”,middle, midday, midnight,
24.mini- 表示 “小”,minibus, miniskirt, miniature
25 .mis-表示“错误,坏”misfortune (不幸), misunderstand(误解)