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乘机: 98 phrases in 15 subjects |
Agriculture | 8 |
Animal husbandry | 1 |
Architecture | 2 |
Automobiles | 19 |
Aviation | 11 |
Economy | 7 |
General | 28 |
International trade | 2 |
Mathematics | 3 |
Project management | 1 |
Rail transport | 1 |
Space | 2 |
Sports | 1 |
Technology | 11 |
Textile industry | 1 |