The destruction of the space shuttle Columbia has precipitated another round in the long-standing debate over the wisdom of the US space program.
“哥伦比亚”号航天飞机的解体掀起了又一轮持续已久的有关美国航天计划是否明智的争论。
The destruction of the space shuttle Columbia has precipitated another round in the long-standing debate over the wisdom of the US space program.
“哥伦比亚”号航天飞机的解体掀起了又一轮持续已久的有关美国航天计划是否明智的争论。
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