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| 匹兹堡美; 美国匹兹堡市 | |||
| 匹兹堡 | |||
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Pittsburgh : 20 phrases in 13 subjects |
| Artificial intelligence | 1 |
| Baseball | 1 |
| Commerce | 1 |
| Company name | 1 |
| Computers | 1 |
| Earth sciences | 3 |
| Finances | 1 |
| General | 4 |
| Geography | 1 |
| Geology | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Technology | 3 |
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