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伯尔定 : 16 phrases in 9 subjects |
| Automobiles | 1 |
| Bridge card game | 1 |
| Chemistry | 2 |
| Cryptography | 1 |
| Genetics | 1 |
| Horticulture | 1 |
| Polymers | 2 |
| Technology | 6 |
| United Nations | 1 |
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