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plunger | |||
ducker | |||
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ducker |
潜 水 人 : 50 phrases in 13 subjects |
Agriculture | 2 |
Animal husbandry | 1 |
Earth sciences | 3 |
Ecology | 1 |
Electronics | 3 |
General | 2 |
Geophysics | 1 |
Hydroelectric power stations | 2 |
Nautical | 1 |
Navigation | 5 |
Oil / petroleum | 4 |
Submarines | 1 |
Technology | 24 |