Earlier this year, one of these firms, SpaceX launched its Dragon capsule - designed to carry cargo and astronauts - into space atop its own Falcon 9 rocket.

今年上半年，其中一个公司，太空x用自己的猎鹰9号火箭把“龙”太空舱发射到太空，该太空舱用来装载货物和宇航员。

youdao

And, of course, it does not have to carry tons of rocket fuel.

而且，它显然无需携带成吨的火箭燃料。

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It thus needs to carry less fuel than a rocket, and no chemical oxidant to burn that fuel, as a rocket would.

这种火箭需要携带的燃料也减少了，并且不需要化学氧化剂。

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There were some concerns about the safety of the huge Redstone rocket that was to carry the spacecraft.

VOA: special.2011.05.15

The United States said it would not launch a scientific satellite until a non-military rocket the Vanguard could be completed to carry it into space.

VOA: special.2009.06.10

It will use a balloon to carry its rocket on the first stage of its flight.

BBC: NEWS | Science/Nature | Space future: Race for the X-Prize

Besides containing living quarters, it will carry the booster rocket needed to push the station back into place if it starts to fall out of orbit.

ECONOMIST: Rocket science

At the same time, Arianespace would find efficiencies in operating a single model of rocket to carry out every type of mission.

BBC: Ariane rocket aims to pick up the pace