1.array v.排列( to set or place in order);n.大批(large nitt( arge number)

例:The project calls for placing an anay of light sensors at a depth of five kilometers under the ocean surface. // arrayed in parallel lines平行排列

2.arrest v.依法逮捕，拘留( to seize)；阻止，抑制(to stop or check)

聯(lián)想記憶：ar（加強(qiáng)）+rest(休息)一強(qiáng)制休息一拘留

例:Did the police have reasonable grounds to arrest him?

派生詞:arrester(n．避雷器;逮捕者)

3.artery n.【醫(yī)】動(dòng)脈

詞根記憶：arter(管道)+y--（體內(nèi)的）管道--動(dòng)脈

注意：vein(n.靜脈)

例:Studies indicate that refraining from eating certain foods could help reverse blockage of coronary artenbs.

派生詞:arterial(a.動(dòng)脈的)

4.arthritis n.關(guān)節(jié)炎(inflammation of a joint or joints of the body)

詞根記憶：arthr(連結(jié)：關(guān)節(jié))+itis(炎癥)--關(guān)節(jié)炎

同根詞：arthropod(n.節(jié)肢動(dòng)物)

5.articulate v.清楚地表達(dá)（to give clear and effective utterance to）;a．善于表達(dá)的（expressing oneself clearly and effectively）

聯(lián)想記憶：articul（關(guān)節(jié)）+ate --關(guān)節(jié)之間相連，（說(shuō)話）上下相連--清楚地表達(dá)

例:The manager takes action without being able to articulate reasons for that particular action.,,Please practice your speech until you are morearticulate.

派生詞:articulation(n.發(fā)音;連接；關(guān)節(jié))

6.artifact n.手工藝器物：文物(thing made by man, esp. of archaeological interest)

詞根記憶：arti(技巧)+fact(做)--技巧做成的--手工藝器物

例:The museum can store and exhibit its more than 12,000 artifacts.

7.artificial a.人工的，人造的(man-made)

詞根記憶：arti( =skill技術(shù))+fic(面)+ial(…的)--在表面使用技術(shù)的--人造的

例:People who use the artificial sweetener aspartame are better off consuming sugar.

派生詞:artificiallv( ad.人工地)

8.artisan n．手工業(yè)工人，手藝人（craftsperson）

詞根記憶：arti(技巧)+san(人)--有技巧的人--手藝人

例:In ancient Thailand, much of the local artisans' creative energy was expended for the creation of Buddha images.

9.ascending a.上升的( moving or going upward)

詞根記憶：a+scend(爬)+ing --向上爬的--上升的

例:ascending order升序

10.ascribe v.(to)歸于，歸因于(to credit)

詞根記憶：a（向）+scribe(寫)--寫在什么上面--歸于

例:Productivity should be ascnbed to categories of workers, not to individuals.