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挖 人 : 72 phrases in 12 subjects |
Agriculture | 1 |
American usage, not spelling | 1 |
Animal husbandry | 1 |
Architecture | 2 |
Bridge construction | 3 |
Ecology | 1 |
Electronics | 2 |
Engineering geology | 4 |
General | 9 |
Hydroelectric power stations | 2 |
Sports | 2 |
Technology | 44 |