韩国周二在该国的首次太空发射中发射了一枚多级运载火箭，但所携带卫星与火箭的分离时间比计划晚了几秒钟，卫星未能进入预定轨道。

South Korea launched a multi-stage rocket Tuesday in the country's first space shot, but the satellite it was carrying separated a few seconds later than planned and didn't reach the proper orbit.

youdao

该战略涵盖了层层相叠的多级空中防御系统、海军装备如潜水艇以及先进的弹道导弹系统，所有这些在卫星网络的控制下交织在一起。

The strategy includes overlapping layers of air defense systems, naval assets such as submarines, and advanced ballistic missile systems all woven together with a network of satellites.

youdao