俄罗斯苏-34轰炸机在例行训练飞行中坠毁在高加索山区，机组人员全部遇难。 Russian SU-34 bomber crashes in Caucasus mountains during routine training flight, killing all crew members.

据报道，一架俄罗斯苏-34轰炸机因技术故障在例行训练飞行中坠毁在高加索山区，机组人员全部遇难。 A Russian SU-34 bomber crashed in the Caucasus mountains during a routine training flight, reportedly due to a technical malfunction, killing all crew members. 事件发生在周二，具体原因尚不清楚，但据信是由于技术问题造成的。 The incident happened on Tuesday, and the exact cause is not yet clear, but it is believed to be a result of a technical issue. 预计俄罗斯国防部将就该事件提供更多细节或发表官方声明。 The Russian defense ministry is expected to provide further details or an official statement on the incident.