Summary: North Korea has tried and failed to fire a new ballistic missile in an act of defiance against world pressure to reign in its arms programs. The missile launch is the country's sixth this year, including a failed test earlier this... (朝鲜周六违反联合国安理会决议，再次试射一枚导弹，但是试射并未成功。这是朝鲜今年来第6次进行弹道导弹试射，也让本已紧张的朝鲜半岛局势"雪上加霜"。请听记者吴音的报道。)
