ardent a.熱心的;熱烈的 [ardor 的形容詞 an ~ patriot 滿腔熱忱的愛國(guó)者]
ardor n.熱心 ["熱(度)")with ~ 熱心地]來源：考試大
arduous a.費(fèi)力的;艱巨的 [ arduus steep, difficult]
arena n.競(jìng)技場(chǎng) [(h)arena sand, sand-strewn place of combat]
argonaut n.冒險(xiǎn)家;投機(jī)者;叛徒 [(希臘神話)亞哥號(hào)上的人員(與Jason同乘亞哥號(hào)(the Argo)船前往科基斯(Colchis)尋找金羊毛(the] [Golden Fleece)之一行人)]
argot n.暗語(yǔ) [argosy 大商船;大商船隊(duì)]
arid a.干燥的;干燥無味的 [ aride or L aridus arere be dry aridly 貧瘠地]
aright ad.正;正確地來源：考試大
aristocrat n.貴族 [ aristocrate ARISTOCRATIC貴族政治的;主張貴族統(tǒng)治的]
arithmetic n.算術(shù);算術(shù)的 [arithmetike(tekhne)art of counting arithmosnumber]
ark n.方舟;笨重難看的船 [ arca chest]來源：考試大
armada n.艦隊(duì) [arm=ARMY+ada艦隊(duì)]
armament n.軍備;武器;裝備 [ARM, -MENT]
armistice n.休戰(zhàn);停戰(zhàn) [truce 停戰(zhàn);休止;中止]來源：考試大
armory n.武器制造廠;室內(nèi)教練場(chǎng) [armor plate (軍艦、戰(zhàn)車等的)裝甲板]
aroma n.芳香;氣派,風(fēng)格 [ aroma -atos spice]來源：考試大
aromatic a.芳香的 [(AROMA, -IC)aroma芳香,氣派,風(fēng)格 aroma -atos spice]
arraign v.提訊;控告 [ (ult AD-, ratio -onis reason, discourse)]
arrant a.極端的;完全的 [var of ERRANT]
array v.排列 [ araier, OF areer ult Gmc root, = prepare]
arrears n.債;欠債 [AD-, retro backwards: arrear(."在后")(工作、付款)延誤]
arrest v.阻止;遏止 [~ the spread of the fire 阻止火勢(shì)的蔓延 arrestant 制蟲劑]
arrogance n.自大;傲慢 [arrogant自大的;傲慢的]來源：考試大
arrogate v.冒稱;霸占 [ arrogare arrogat-(AD-, rogare ask)]
arson n.非法縱火;放火 [arsonist縱火犯ardent熱情的ars=ard ;ars藝術(shù)arse*;閑蕩]
articulate v.清楚說話;接合 [articulatus(ARTICLE, -ATE)]來源：考試大
artifacts n.史前古器物 [artificer 技師;工匠 artificial不自然的,虛假的]
artifice n.策略;詭計(jì) [ making facere make artifact手工藝品]
artisan n.工匠 [ artigiano, artitus pp. of artire instruct in thearts]
artless a.粗俗的;自然的來源：考試大
ascend v.上升;攀爬 [ascendancy統(tǒng)治者,支配力量 ascent上升 descend下降]
ascendant a.上升的;優(yōu)越的來源：考試大
ascertain v.確定 [ acertener, stem acertain to+CERTAIN]
ascetic a.苦行的 [asketes monkaskeo exercise asceticism 禁欲主義,苦行生活]
ascribe v.歸于 [ ascribere(AD-, scribere script- write)]
aseptic a.無菌的 [anti-sept-ic抗菌藥]來源：考試大
ashen a.灰色的來源：考試大
asinine a.愚魯?shù)?[asin= asinus驢子ASS+ine]
ardor n.熱心 ["熱(度)")with ~ 熱心地]來源：考試大
arduous a.費(fèi)力的;艱巨的 [ arduus steep, difficult]
arena n.競(jìng)技場(chǎng) [(h)arena sand, sand-strewn place of combat]
argonaut n.冒險(xiǎn)家;投機(jī)者;叛徒 [(希臘神話)亞哥號(hào)上的人員(與Jason同乘亞哥號(hào)(the Argo)船前往科基斯(Colchis)尋找金羊毛(the] [Golden Fleece)之一行人)]
argot n.暗語(yǔ) [argosy 大商船;大商船隊(duì)]
arid a.干燥的;干燥無味的 [ aride or L aridus arere be dry aridly 貧瘠地]
aright ad.正;正確地來源：考試大
aristocrat n.貴族 [ aristocrate ARISTOCRATIC貴族政治的;主張貴族統(tǒng)治的]
arithmetic n.算術(shù);算術(shù)的 [arithmetike(tekhne)art of counting arithmosnumber]
ark n.方舟;笨重難看的船 [ arca chest]來源：考試大
armada n.艦隊(duì) [arm=ARMY+ada艦隊(duì)]
armament n.軍備;武器;裝備 [ARM, -MENT]
armistice n.休戰(zhàn);停戰(zhàn) [truce 停戰(zhàn);休止;中止]來源：考試大
armory n.武器制造廠;室內(nèi)教練場(chǎng) [armor plate (軍艦、戰(zhàn)車等的)裝甲板]
aroma n.芳香;氣派,風(fēng)格 [ aroma -atos spice]來源：考試大
aromatic a.芳香的 [(AROMA, -IC)aroma芳香,氣派,風(fēng)格 aroma -atos spice]
arraign v.提訊;控告 [ (ult AD-, ratio -onis reason, discourse)]
arrant a.極端的;完全的 [var of ERRANT]
array v.排列 [ araier, OF areer ult Gmc root, = prepare]
arrears n.債;欠債 [AD-, retro backwards: arrear(."在后")(工作、付款)延誤]
arrest v.阻止;遏止 [~ the spread of the fire 阻止火勢(shì)的蔓延 arrestant 制蟲劑]
arrogance n.自大;傲慢 [arrogant自大的;傲慢的]來源：考試大
arrogate v.冒稱;霸占 [ arrogare arrogat-(AD-, rogare ask)]
arson n.非法縱火;放火 [arsonist縱火犯ardent熱情的ars=ard ;ars藝術(shù)arse*;閑蕩]
articulate v.清楚說話;接合 [articulatus(ARTICLE, -ATE)]來源：考試大
artifacts n.史前古器物 [artificer 技師;工匠 artificial不自然的,虛假的]
artifice n.策略;詭計(jì) [ making facere make artifact手工藝品]
artisan n.工匠 [ artigiano, artitus pp. of artire instruct in thearts]
artless a.粗俗的;自然的來源：考試大
ascend v.上升;攀爬 [ascendancy統(tǒng)治者,支配力量 ascent上升 descend下降]
ascendant a.上升的;優(yōu)越的來源：考試大
ascertain v.確定 [ acertener, stem acertain to+CERTAIN]
ascetic a.苦行的 [asketes monkaskeo exercise asceticism 禁欲主義,苦行生活]
ascribe v.歸于 [ ascribere(AD-, scribere script- write)]
aseptic a.無菌的 [anti-sept-ic抗菌藥]來源：考試大
ashen a.灰色的來源：考試大
asinine a.愚魯?shù)?[asin= asinus驢子ASS+ine]