我们不会再有太空游客前来了。
当一回太空游客。
在高空发射对太空游客、对商业货物来说都有许多优势。
Launching at high altitude has many advantages for space tourists and commercial loads alike.
在高空发射对太空游客、对商业货物来说都有许多优势。
Launching at high altitude has many advantages for space tourists and commercial loads alike.
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