她去年夏天的飞行是为了完善空间站的召集任务，被认为是回归月球的扩展探索以及后来对火星的探索。

Her flight last summer was an assembly mission to help complete the space station, designed as a stepping-stone for returning to the Moon for extended exploration and, later, on to Mars.

youdao

她去年夏天的飞行是为了完善空间站的召集任务，被认为是回归月球的扩展探索以及后来对火星的探索。

Her flight last summer was an assembly mission to help complete the space station, designed as a stepping-stone for returning to the Moon for extended exploration and, later, on to Mars.

youdao