.PREFIX1.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-:t
