aa
- abbr. 汽车协会（Automobile Association）；嗜酒者互诫协会（Alcoholics Anonymous）；瘾君子互诫协会（Addicts Anonymous）；会计学准学士（Associate in Accounting）
网络释义专业释义英英释义
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2a 级(公司债券或城市债券等级，高于 1a 级，低于 3a 级)
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成就年龄
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代理职务
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平均观众人数
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阿波罗应用计划
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丙烯酸
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氨基酸
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可调适放大器适应放大器 (adaptive amplifier)
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渣状熔岩
·2,447,543篇论文数据，部分数据来源于NoteExpress
aa [ 'ɑ:ɑ: ]
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n.
- a dry form of lava resembling clinkers
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an international organization that provides a support group for persons trying to overcome alcoholism
同义词： Alcoholics Anonymous
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an associate degree in arts
同义词： Associate in Arts
以上来源于: WordNet
柯林斯英汉双解大词典
AA
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1.
ABBREVIATION for Alcoholics Anonymous 匿名戒酒者协会
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2.
SYMBOL for (in Britain, formerly) a film that may not be shown publicly to a child under fourteen
双语例句原声例句
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That tradition is said to have started when an Austrian man gave a a diamond ring tothe woman he wanted to marry.
据说这一传统来源于一位奥地利男子送了一枚钻石戒指给他想娶的女人的故事。
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A: a reversal in the rotation of Earth is impossible.
答：地球发生相反方向的旋转是不可能的。
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If so, this would be a a progressive step.
如果真是这样，这就前进了一大步。
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By the eighteenth century, a greenhorn had the meaning it has today - a person who is new in a job.
VOA: special.2010.05.23
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But this is a -- this raises a problem, that we'll see actually in just a moment having this duplication.
但这就引起了一个问题，我们刚才看到了,我们有一个重复的值。
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it's a two-and-a-half-year-long program that mixes biology, chemistry, physics and computer science together.
这门课是一个两年半的项目，涵盖了生物学、化学、物理学，还有计算机科学。
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