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back country; jungle; unbroken land | |||
unreclaimed field | |||
uncultivated land | |||
original soil |
未 垦地: 19 phrases in 9 subjects |
Agriculture | 1 |
Construction | 1 |
Earth sciences | 1 |
Ecology | 1 |
Economy | 2 |
Engineering geology | 1 |
General | 2 |
Hydroelectric power stations | 4 |
Technology | 6 |