美国宇航局正在华盛顿特区外的戈达德航天中心建造这台韦伯望远镜。

NASA is building the Webb telescope at the Goddard Space Center, outside Washington DC.

youdao

美国宇航局正在华盛顿特区外的戈达德航天中心建造这台韦伯望远镜。

NASA is building the Webb telescope at the Goddard Space Center, outside Washington DC.

youdao