PREFIX(前綴)
1.a-:of;on;intensive;negative,not,without;ad-;ab-.
2.ab-:away from,off.
3. ad-:to;at;for.
4. aer(o)- :relating to air .
5.al-:all.
6.ambi-:on both sides,around.
7.amphi-:on both sides,around.
8.an-:negative,not,without.
9.ana-:upon,up,on.
10.ante-:before.
11.anti-:against.
12.arch-:chief,first .
13.astro- :relating to stars .(planets\space )
14.aqu(a)-:relating to water.
15.audi (o)-:relating to sound and hearing .
16.auto-:self,without help .
17.be-:to make;to cover with;upon;by;intensive.
18.bene-:well,good.
19.bi-:double,two.