这是第三个宇航员。

This is the third astronaut.

youdao

三位中国民族英雄宇航员在成功完成太空行走之后凯旋。中国成为第三个掌握太空行走技术的国家。

Three Chinese astronauts have returned to Earth as national heroes after successfully completing the country's first ever spacewalk.

youdao

描述：质疑者：在宇航员踏上月球以及发射升空的时候，一定还有第三个人带着照相机拍摄这些场面。

Caption: Sceptic: a third person would have had to be there with a camera to take photographs of astronauts arriving on the moon and blasting off again.

youdao