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steering ball |
转向球: 53 phrases in 15 subjects |
Automobiles | 19 |
Baseball | 1 |
Billiards | 2 |
Cricket | 1 |
Desert science | 1 |
Earth sciences | 1 |
Football | 1 |
Geophysics | 2 |
Ice hockey | 1 |
Oil / petroleum | 1 |
Rugby football | 2 |
Space | 1 |
Technology | 17 |
Tennis | 1 |
Wind Energy | 2 |