2 Englishi 词根

11 mis 错

misuse

misfortune

misunderstand

12 out 超过; 外

outnumber

outspend

outdoor

13 over 过度

overpraise

overstudy

14 post  后

postwar

postpone

postgradute

15 pre  前

prehistory

precondition

16 pro 向前

progress

prolong

17 re 向后; 再来一次

return

recall

regress

rebirth

ceconsider

18 sub 下; 下级

subway

subaverage

subtitle

subbranch

19 trans 转移

transfrom

transplant

transposition

20 数字前缀

mono-1

monotone

monodrama

bi-2

bicycle

bilateral

di-2

dioxide

divorce

tri-3

triangle

trike

hemi-半

hemisphere

hemicycle

semi-半

semifinal

semiautomatic

poly-多

monopoly

polytechnic

multi -多

multi-purpose

multi-midia