arithmetic[E5rIWmEtIk] n.[U]算術(shù)，計算：business arithmetic 商業(yè)算術(shù) / He is good at arithmetic. 他擅長算術(shù)。
【聯(lián)想】geometry[dVI5CmItrI] 幾何 / algebra[5AldVIbrE] 代數(shù) / function[5fQNkFn] 函數(shù) / calculous[5kAlkjJlEs] 微積分(學(xué))
arrow[5ArEJ] n.1. [C]箭：Time flies like an arrow. 光陰似箭。2. [C]箭頭：direction arrows 方向箭頭
ashamed[E5FeImd] adj.慚愧;害臊：Are you ashamed for having lied? 你為撒了謊感到害臊嗎? / I am ashamed for you. 我替你感到羞愧。/ You should be ashamed of your behavior. 你應(yīng)該為你的行為感到羞愧。
【辨析】ashamed與shameful：ashamed 意為“感到羞恥的”，shameful 意為“可恥的”、“丟臉的”：You should be ashamed of doing that. 你應(yīng)該為自己做那樣的事感到羞恥。It was shameful of them to surrender. 他們的投降是可恥的。
aside[E5saId] adv.在旁邊;向旁邊：Stand aside and let these people pass. 靠邊站，讓這些人過去。n.[C](戲劇中的)旁白;獨白◆aside from (1)除…之外(別無)：Nobody, aside from him, could answer this question. 除他外，沒人能回答這個問題。(2)除…之外(尚有)：Aside from being fun and good exercise, swimming is a very useful skill. 除了是樂趣和有益的鍛煉外，游泳還是一種很有用的技能。(3)除…外，如果不考慮：Aside from the rainy weather, our vacation was fun. 除了天氣陰雨外，我們的假期還是玩得很高興的。
【說明】aside from為美國英語，在英國英語中用apart from代之。
astronomy[E5strRnEmI] n. [U]天文學(xué)：I’m very interested in astronomy. 我對天文學(xué)很感興趣。
atom[5AtEm] n.1.[C]原子：Water is made up of atoms of hydrogen and oxygen. 水是氫和氧的原子構(gòu)成的。/ Everything on the earth is made up of atoms. 地球上的每一種東西都是由原子構(gòu)成的。2.[C]微粒，微量：There is not an atom of truth in what he said. 他所說的話沒有絲毫真實性。/ There is not an atom of truth in the rumour. 這謠言一點也不真實。
atomic[E5tCmIk] a.原子的，原子能的，原子武器的
automatic[7R:tE5mAtIk] a.1.自動的，機械的：an automatic washing-machine 自動洗衣機 / automatic alarm 自動報警 / The heating system in the hotel has an automatic temperature control. 旅館里的取暖系統(tǒng)是自動調(diào)溫的。2.不假思索的，無意識的：She knew the lesson so well that her answers were automatic. 她對這一課極為熟悉，可不假思索地隨口回答問題。/ Most of our movements are automatic. 我們?nèi)梭w的大部分動作都是無意識的。3.必然的，自然的：A fine for this offence is automatic. 對于這種過失，罰款是必然的。
avenue[5AvEnju:] n.1. [C](城市的)林陰路，大街：an avenue of poplars 白楊樹的林陰大道2.[C]方法;途徑：Several avenues are open to us. 我們面前有幾條可行之路。
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