词汇	三面形
释义	三面形 trihedron；threesider
随便看	central screw extruder central scrip bank central seal bar Central Secondary Item Secondary central section Central section economy central section rise central section theorem central securities depository Central Security Command central security control Central Security Control System central segment central segregation central segregation of slab central selling central semen bank central sensitization Central Sensitization/Peripheral Sensitization Central Seoul central separable algebra central separating character central separation barrier central separator central seperating character