Prefixes（词语的前缀）
English is a very flexible language and you can build on your vocabulary to make new words. One way of doing this is to add prefixes (such as dis-, pre- or co-) before the word.
Here's a list of common prefixes with their meanings and some examples.
Prefix
Explanation
Example
anti
against
反对
anticlockwise, anti-sunburn
auto
self
自己的
antobiography, automobile
co
with
共同、一起
cooperate, coordinate
contra
against
反，防止
contradict, contravene
de
remove
除去，脱离
deregulate, deselect
dis
not
中断、消除
disappear, disconnect
il
not
否定，相反
illegal, illogical
inter
between
相互，在……之间
international, interchange
mis
badly / wrongly
错，误
misinform, misbahave, misunderstand
multi
many
许多
multinational, multilingual
non
opposite
不，非，无
non-profit, non-finite
out
more than
超过
outperform, outdo
over
too much
过多，过剩
oversleep, overwork
post
after
在……之后
postpone, postnatal
pre
before
在……之前
predict, precook
re
again
再，重
rewrite, relive
sub
under
在……的下面
submarine, subliminal
super
higher / improved
超，过于
supermarket, superhuman
trans
across
横越，变化
transatlantic, transplant
uni
one
单一
uniform, unilateral
under
not enough
过少，不足
underpaid, underfed
