地下核试验 dìxiàhéshìyàn underground nuclear test Definitions Defs Origin Strokes Stroke Words Sentences Sents 地下核试验 地下核試驗 dìxiàhéshìyàn underground nuclear test The testing of nuclear weapons by detonating them beneath the surface of the ground
地下核试验 地下核試驗 dìxiàhéshìyàn underground nuclear test The testing of nuclear weapons by detonating them beneath the surface of the ground