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起 飞 的 : 71 phrases in 11 subjects |
| Automobiles | 2 |
| Aviation | 28 |
| Economy | 2 |
| Explosives and Explosive Ordnance Disposal | 5 |
| General | 20 |
| International trade | 1 |
| Physics | 1 |
| Space | 5 |
| Sports | 1 |
| Technology | 5 |
| Tennis | 1 |
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