Fourth and lastly, the booster has now launched from all three of SpaceX's launch pads.
第四项也是最后一项,该助推器在“SpaceX”的三个发射台上都发射升空过。
词典释义:
发射台
Fourth and lastly, the booster has now launched from all three of SpaceX's launch pads.
第四项也是最后一项,该助推器在“SpaceX”的三个发射台上都发射升空过。
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