| 单词 | aa |
| 释义 | Word Frequency aa 1(ˈɑːɑː) noun a volcanic rock consisting of angular blocks of lava with a very rough surface Word origin HawaiianWord Frequency aa 2abbreviation for ana1 Word Frequency AAabbreviation for 1. Alcoholics Anonymous 2. anti-aircraft 3. Architectural Association 4. (in Britain) Automobile Association 5. (in Britain) Advertising Association symbol for 6. (in Britain, formerly) a film that may not be shown publicly to a child under fourteen |
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英语词典包含233703条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。