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| explosif m (一种物质，如三硝基甲苯，或混合物，如火药。化学性质稳定，但可能在没有外界氧气的情况下发生剧烈的化学变化，产生大量的能量，伴随有大量热气产生。) | |||
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炸药 : 4 phrases in 1 subject |
| United Nations | 4 |
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