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电光色 : 60 phrases in 12 subjects |
| Animal husbandry | 1 |
| Automobiles | 2 |
| Chemistry | 3 |
| Desert science | 1 |
| Earth sciences | 1 |
| Electronics | 4 |
| General | 7 |
| Metallurgy | 2 |
| Oil / petroleum | 3 |
| Space | 1 |
| Sports | 2 |
| Technology | 33 |
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