没有船帆座，没有猎户座。

No Vela no Orion.

youdao

抬头仰望著天空，但夜被云朵笼罩，没有星星的闪光，没有船帆座，没有猎户座。

I look up to the heavens, but night has clouded over, no spark of constellation, no Vela, no Orion.

youdao

该任务将质疑SLS对于深空探测是否实际需要，尤其是SLS猎户座载人飞行一直到2021年还没有开始，Muncy说。

The mission would call into question whether SLS is actually needed for deep space exploration, especially with crewed Orion flights on SLS not beginning until 2021, Muncy said.

youdao

哈勃望远镜发明以后，我能才发现猎户座星云里面的原始星盘。但是不是说之前它就不存在呢？只不过是我们没有能力去发现它罢了。

Now, does that mean that they simply weren't there for the thousands of years when we lacked the instruments to see them?

youdao

哈勃望远镜发明以后，我能才发现猎户座星云里面的原始星盘。但是不是说之前它就不存在呢？只不过是我们没有能力去发现它罢了。

Now, does that mean that they simply weren't there for the thousands of years when we lacked the instruments to see them?

youdao