1. dis-: disappear (v.)消失;appear(v.)出现;显得; disappearance(n.)消失; appearance (n.)出现;外表; disappear into 消失在…之中; disappear from view/ sight消失在视野中; cover (v.)覆盖; 包含; 足够支付; 报道; 走了多远; 看完了多少书;占了多少面积; (n.)封面; discover (v.)发现; discovery (n.)发现; 2. extra-: ab-: ordinary (adj.)普通的; extraordinary非比寻常的; usual 惯常的;unusual 非比寻常的;common (adj.)常见的; 普通的;uncommon 不常见的; normal 正常的; abnormal 不正常的; common sense 常识; ordinary-looking长相普通的; ordinary people普通人; as usual 同往常一样; than usual 比往常更; 3. in-/im-: formal (adj.)正式的; informal (adj.)非正式的; formal occasion正式场合;completely (adv.)完全地; complete (adj.)完全的;(v.)完成; complete doing 完成干某事; incomplete (adj.)不完全的; incorrectly (adv. )不正确地; incorrect (adj.)不正确的; correct (adj.)正确的; (v.)纠正; correction (n.)纠正; patient (adj.)耐心的; (n.)病人;impatient (adj.)不耐烦的; patience (n.)耐性; with patience 耐心地; patiently (adv.)耐心地; be patient with sb=have patience with sb; 对某人耐心; 4. mis-: misunderstanding (n.)误解; understanding (n.)理解; misunderstand (v.)误解; understand (v.)理解; mislead误导; misuse误用; 5. un-: fortunate(ad.)幸运的;unfortunate(adj.)不幸的; fortunately (adv.)幸运地; unfortunately不幸地; fortune(n.)财富;运气; misfortune(n.)霉运; make a fortune赚大钱;lucky(adj.)幸运的;unlucky (adj.)不幸的;luck((n.)运气;feel/ be fortunate (in)doing sth做某事很幸运; feel/ be fortunate to do做某事很幸运; 6. 反义词完全不同的单词: similar (adj.)相似的;similarly (adv. )同样地;similarity (n.)相似性; be similar to 与...相似;be similar in 在某方面相似; the same 相同的;different 不同的; difference区别; be different from 与...不同; 7. non-: non-stop train直达火车; 8. –less: careful仔细的; careless粗心的; helpful有帮助的; helpless没有帮助的; selfish自私的; selfless无私的; valuable有价值的; valueless没有价值的; 本文来源:https://www.wddqw.com/doc/8bc643fecc22bcd126ff0c98.html