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rock toe | |||
bed rock; foundation stone | |||
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bootleg | |||
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toe rock | |||
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foundation-stone | |||
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tight bottom |
根底: 33 phrases in 12 subjects |
1 | |
Agriculture | 1 |
American usage, not spelling | 1 |
Business | 1 |
Construction | 1 |
Drilling | 1 |
Earth sciences | 1 |
Economy | 1 |
Explosives and Explosive Ordnance Disposal | 5 |
General | 14 |
Otorhinolaryngology | 2 |
Technology | 4 |