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barrier | |||
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counter-guard | |||
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barrier |
壁障 : 95 phrases in 12 subjects |
Animal husbandry | 4 |
Architecture | 1 |
Automobiles | 31 |
Desert science | 4 |
Engineering geology | 1 |
Geology | 2 |
Mathematics | 1 |
Oil / petroleum | 21 |
Reproductive biology | 2 |
Sports | 1 |
Technology | 26 |
Wind Energy | 1 |