1.apparent a．显然的，明显的(evident)；表面上的(seeming)

联想记忆：ap+parent(父母)--父母对儿女的爱显而易见--明显的

例:There were some apparent exceptions to the general correlation observed between adenosine-receptor binding and stimulation.

2.appeal n．呼吁( earnest plea)；吸引力(attraction)；v.吸引;上诉(accuse)

词根记忆：ap+peal( =pull拉)--拉过去--吸引

例:The state legislature need not heed(留意)the appeals of the protesting students.//The case of sex discrimination has been appealed from a lower court.

3.appendicitis n.阑尾炎盲肠炎(inflammation of the vermiform appendix )

例:Patients with symptoms strongly suggesting appendicitis almost always have their appendix removed.

4.appetite n.食欲(desire to eat)；欲望(any of the instinctive desires)

词根记忆：来自拉丁语appetere，ap+peter(寻找，尝试)+e--寻找、尝试是因为欲望

例:stimulate/inhibit the appetite刺激／抑制食欲

派生词:appetizing(a．美味可口的，促进食欲的)

5.appliance n.用具，用品(implement)

词根记忆：来自apply(v.运用，使用)

例:The original retail price of an appliance was 60 percent more than its wholesale cost.

6.applicable a.(to)适用的，适宜的( appropriate, fitting)

联想记忆：appli（看作apply运用）+cable（…的）--能运用的--适用的

例:The findings are applicaLAb to other industrial areas.

派生词:applicability(n.适用性)

7.appoint v.任命，指派（to name officially）

词根记忆：ap(加强)+point(指向，指出)--指定某人做某事--任命

例:Most were already known to the chairs of the board to which they were appointed.

派生词:appointment(n.指定)

8.apportion v.（按比例或计划）分配(to divide and share out according to a plan)

词根记忆：ap( =ad做)+portion( 一部分，一份)--分配

例:The city council apportions all the tax money to the different departments.

9.apprentice n.学徒；初学者(a young person who works for an employer for a fixed period of time in order to learn)

例:Some Tame Gazelle was Barbara Pym's first novel, but it does not read like an apprentice work.

派生词:apprenticeship(n.学徒的身份)

10.apprenticeship n.学徒期：学徒身份(the position of apprentice)

词根记忆：ap+prentice(徒弟)+ship--学徒身份

例:The average length of apprenticeship for carpenters has declined significantly since 1930.

同根词：apprentice(n.学徒：v.当学徒)