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| heli (A file containing digitized audio, such as voice or music) | |||
| English thesaurus | |||
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| .au (file name extension) | |||
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Audio : 45 phrases in 7 subjects |
| Communications | 2 |
| Economics | 1 |
| Education | 14 |
| Environment | 1 |
| Information technology | 5 |
| Microsoft | 21 |
| Sociology | 1 |