| 序号 | 英文 | 音标 | 词性 | 中文 |
| | amylolysis | 7Ami5lClisis | n. | 淀粉分解 |
| | amylolytic | 7AmE5lElitik | adj. | 淀粉分解的 |
| | amylolytic fermentation | | | 淀粉糖化发酵 |
| | amylomaltose | 7AmilE5mC:ltEus | | 麦芽糖 |
| | amylomyces | 7AmilEu5maisi:z | | 淀粉霉, 属糖化菌[酶] |
| | amylomycin | 7AmilEu5maisin | | 真菌淀粉 |
| | amylon | 5AmilCn | | 淀粉 |
| | amylopectin | 7AmilEu5pektin | n. | [生化]支链淀粉,胶淀粉 |
| | amyloprolamine | 7AmilEu5prEulEmin | | 麦蛋白 |
| | amylopsin | 7Ami5lCpsin | n. | 胰淀粉酶 |
| | amylorrhexis | 7AmilEu5reksis | | 淀粉酶水解[作用] |
| | amylose | 5AmElEus | n. | 直链淀粉, 多糖 |
| | amylosynthesis | 7AmilEu5sinWisis | | 淀粉合成作用 |
| | amylum | 5AmElEm | n. | 淀粉 |
| | amylum grain | | | 淀粉粒子 |
| | amylum star | | | 淀粉星状晶 |
| | amyocardia | E7maiE5kB:diE | | 心肌无力 |
| | amyotonia | 7eimaiE5tEuniE | n. | 肌弛缓 |
| | amyotrophia | 7eimaiE5trEufiE | n. | 肌萎缩 |
| | amyotrophic lateral sclerosis | | | [医]肌萎缩性(脊髓) 侧索硬化 |
| | amyotrophy | | n. | (=amyotrophia)肌萎缩 |
| | amytal | 5AmitEl | | (=amobarbital)异戊巴比妥安米妥 |
| | amyxia | ei5miksiE | | (=amyxorrhea)粘液缺乏 |
| | amyxis | ei5miksis | | 划痕, 划破 |
| | an | An; En | art. | [域] Netherlands Antilles , 荷兰属地 |
| | an Act of Oblivion | | n. | 大赦令 |
| | an Arcadian youth | | | 乡巴佬, 头脑简单的农村少年, 土包子 |
| | an absolute cert | | | 绝对确实的事物 |
| | an abundant year | | n. | 丰年 |
| | an academic authority | | n. | 学术权威 |
| | an access of rage | | n. | 发怒 |
| | an account book | | n. | 帐簿 |
| | an account payable | | n. | 应付帐 |
| | an account receivable | | n. | 应收帐 |
| | an account rendered | | n. | 结欠清单 |
| | an account sale | | n. | 赊销 |
| | an account stated | | n. | 确定清单 |
| | an ace in the hole | | n. | 密藏的法宝, 备而未用的王牌 |
| | an act of God | | n. | 不可抗力 |
| | an act of grace | | n. | 大赦令 |
| | an act of violence | | | 暴力行为 |
| | an acute angle | | n. | 锐角 |
| | an aerial attack | | n. | 空袭 |
| | an aerial cable | | n. | 架空电缆 |
| | an aerial chart | | n. | 航行图 |
| | an aerial depth charge | | n. | 空投深水炸弹 |
| | an aerial ladder | | n. | 架空消防梯 |
| | an aerial line | | n. | 航空线 |
| | an aerial liner | | n. | 定期航班 |
| | an aerial manoeuver | | n. | 空中演习 |
| | an aerial picket | | n. | 空中巡逻飞机 |
| | an aerial port | | n. | 空运港 |
| | an aerial survey | | n. | 航空测量 |
| | an afternoon farmer | | | 懒汉, 拖拖拉拉的人 |
| | an air battle | | n. | 空战 |
| | an alternate angle | | n. | 错角 |
| | an ambulance chaser | | | [美口]“救护车追逐者”, 专办交通损伤案件的律师 |
| | an amount of | | adj. | 许多 |
| | an angle of incidence | | n. | [光学]入射角 |
| | an angle of reflection | | n. | [光学]反射角 |
| | an angle of refraction | | n. | [光学]折射角 |
| | an anonymous letter | | n. | 匿名信 |
| | an antiseptic room | | n. | 异常干净的房间 |
| | an ape leader | | | 老处女 |
| | an appearance | | | (演员)登台 |
| | an apple of Sodom | | n. | 华而不实的东西, 外强中干的东西 |
| | an apple of discord | | n. | 争端, 祸根 |
| | an arbitrary decision | | n. | 武断, 任意的决定 |
| | an array of | | | 一批 |
| | an artificial smile | | n. | 假笑 |
| | an ass between two bundles of hay | | | 优柔寡断的人 |
| | an ass in a lion's skin | | n. | 色厉内荏的人 |
| | an ass with two panniers | | | [谑]两臂各挽一女子在街上行走的男人 |
| | an assistant professor | | | [美]助理教授(地位在教授和讲师之间) |
| | an associate professor | | | 副教授 |
| | an astounding card | | | 奇怪的人, 妙人 |
| | an athletic meeting | | n. | 运动会 |
| | an atomic cocktail | | n. | 含放射性物质的吞服剂 |
| | an atomic effort | | n. | 巨大的努力 |
| | an auxiliary angle | | n. | 补角 |
| | an awkward customer | | n. | 难对付的人 |
| | an awkward squad | | n. | 乌合之众 |
| | an early bird | | n. | 早到者 |
| | an easy mark | | n. | 易受骗的人 |
| | an easy mind | | | 心境宁静, 无忧无虑, 轻松的心 |
| | an echoic studio | | | 短混响的播音室 |
| | an eight days | | | 一星期(前或后) |
| | an elder statesman | | n. | 政界元老 |
| | an element of | | | 少许 |
| | an emergency brake | | n. | 紧急刹车 |
| | an emergency door | | n. | 太平门 |
| | an emergency measures | | n. | 紧急措施 |
| | an emeritus professor | | | 荣誉退休教授 |
| | an empty pocket | | n. | 没钱的人 |
| | an enemy worthy of sb.'s steel | | n. | 劲敌 |
| | an eternity box | | n. | 棺材 |
| | an even break | | | [美俚]条件均等的机会 |
| | an evil angel | | | 恶魔, 凶神 |
| | an evil eye | | n. | 狠毒的目光 |
| | an experiment with | | | 做...实验, 对...做实验 |
| | an external angle | | n. | 外角 |