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马蹄铁; 马撑 | |||
马蹄形 |
horse-shoe : 33 phrases in 14 subjects |
Agriculture | 4 |
Animal husbandry | 2 |
Automobiles | 1 |
Biology | 3 |
Chemistry | 2 |
Computers | 1 |
Drilling | 1 |
Forestry | 1 |
Nursing | 1 |
Oil / petroleum | 1 |
Space | 1 |
Technology | 2 |
Textile industry | 12 |
Water resources | 1 |