1.antedate v.早于，先于(to be earlier than)

词根记忆：ante(前面)+date(日期)--早于，先于

例:This old carriage antedates the invention of the car.

2.anterior a.先前的(more forward)；前面的(toward the front)

词根记忆：ante(前面)+rior--以前的--先前的

例:The anterior side of the turtle's shell is lighter in color.

3.anthropologist n.人类学家(expert in the study of mankind)

词根记忆：来自anthropology( n.人类学)

例:Anthropologists once thought that the ancestors of modern humans began to walk upright because it freed their hands to use stone tools.

4.antibiotic n.抗生素(a substance that is produced by a microorganism and is able to inhibit or kill another micro-organism)

词根记忆：anti(反)+bio（生命）+ tic--抗生素

例:Healthy lungs produce a natural antibiotic that protects them from infection.

5.antibiotics n.抗生素(a substance produced by or a semisynthetic substance derived from a microorganism and able in dilute solution to inhibit or kill another microorganism)

词根记忆：anti(对抗的)+biotic(生物的)+s--抗生素

例:Many lung infections can be treated by applying synthetic antibiotics to the airway surfaces.

同根词：biotype(n.生物型)

6.antibody n.抗体（身体中台勺抗病物质）( substance formed in the blood in response to harmful bacteria and then attacks and destroys)

词根记忆：anti(对抗的)+body(体)一抗体

例:specific antibody特种抗体

同根词：antigen(n.抗原)

7.anticipate v.预见，预期(to foresee)

词根记忆：anti(前)+cip（落下）+ ate--提前落下--预见

例:A company that does not correctly anticipate the expectations of its customers is certain to fail.

派生词:anticipation(n.预料)：unanticipated(a.未曾料到的)

同根词：incipient(a.开始的)

8.antifreeze n.抗冻剂(a substance added to a liquid to lower its freezing point)

词根记忆：anti(对抗的)+freeze(冷冻)--抗冻剂

例:Brand X antifreeze is sold by gallons.

9.antiquated a.过时的(outmoded)

联想记忆：antiqu(看作antique古董)+ated--古董的--过时的

例:an antiquated theory过时的理论

10.antique a.古时的，古老的( ancient)；n.古董(an object that is old and valuable)

词根记忆：anti(前)+que--以前的--古时的

例:Grandma's house is filled with antique furniture.//Be careful with that bowl; it's an antique.