appease V. /平静，安抚/pacify or soothe; relieve. Tom and Jody tried to appease the crying baby by offering him one
toy after another, but he would not calm down until they appeased his hunger by giving him a bottle.
appellation N. /名字，标题/name; title. Macbeth was startled when the witches greeted him with an incorrect
appellation. Why did they call him Thane of Cawdor, he wondered, when the holder of that title still lived?
append V. /追加，附上/attach. When you append a bibliography to a text, you have just created an appendix. application N. /勤奋的付出/diligent attention. Pleased with how well Tom had whitewashed the fence, Aunt Polly
praised him for his application to the task. apply, V. (secondary meaning)
apposite ADJ. /合适的/appropriate; fitting. He was always able to find the apposite phrase, the correct expression for
appraise V. /估价/estimate value of. It is difficult to appraise the value of old paintings; it is easier to call them
priceless. appraisal, N.
appreciate V. /感激;增值;赏识/be thankful for; increase in worth; be thoroughly conscious of. Little Orphan Annie truly
appreciated the stocks Daddy Warbucks gave her, which appreciated in value considerably over the years.
apprehend V. /逮捕;惧怕;领会/arrest (a criminal); dread; perceive. The police will apprehend the culprit and convict
him before long.
apprehension N. /害怕/fear. His nervous glances at the passersby on the deserted street revealed his
apprenticeship N. /学徒身份/time spent as a novice learning a trade from a skilled worker. As a child, Pip had
thought it would be wonderful to work as Joe's apprentice; now he hated his apprenticeship and scorned the blacksmith's trade.
apprise V. /告诉/inform. When he was apprised of the dangerous weather conditions, he decided to postpone his trip. approbation N. /同意，批准/approval. She looked for some sign of approbation from her parents, hoping her good
grades would please them.
appropriate V. /获得;挪用，据为己有/acquire; take possession of for one's own use. The ranch owners appropriated the
lands that had originally been set aside for the Indians' use.
apropos PREP. /关于/with reference to; regarding. I find your remarks apropos of the present situation timely and
pertinent. also ADJ. and ADV.
aptitude N. /能力，才能/fitness; talent. The counselor gave him an aptitude test before advising him about the career
he should follow.
aquatic ADJ. /与水有关系的/pertaining to water. Paul enjoyed aquatic sports such as scuba diving and snorkeling. aquiline ADJ. /弯曲的，钩状的/curved, hooked. He can be recognized by his aquiline nose, curved like the beak of the
arable ADJ. /可耕种的/fit for growing crops. The first settlers wrote home glowing reports of the New World, praising its
vast acres of arable land ready for the plow.
arbiter N. /仲裁者/a person with power to decide a dispute; judge. As an arbiter in labor disputes, she has won the
confidence of the workers and the employers.
arbitrary ADJ. /反复无常;残暴;随机的/capricious; randomly chosen; tyrannical. Tom's arbitrary dismissal angered him;
his boss had no reason to fire him. He threw an arbitrary assortment of clothes into his suitcase and headed off, not caring where he went.
arbitrator N. /仲裁者/judge. Because the negotiating teams had been unable to reach a contract settlement, an
outside arbitrator was called upon to mediate the dispute between union and management. arbitration, N.-
arboretum N. /植物园/place where different tree varieties are exhibited. Walking along the tree-lined paths of the arboretum, Rita noted poplars, firs, and some particularly fine sycamores.