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glacial staircase | |||
glacial stair; stade |
冰 阶 : 52 phrases in 10 subjects |
Agriculture | 2 |
Desert science | 2 |
Engineering geology | 8 |
Figure skating | 1 |
General | 2 |
Hydroelectric power stations | 1 |
Mountaineering | 3 |
Oil / petroleum | 7 |
Speed skating | 1 |
Technology | 25 |