在全美将近50个州里，已经有超过1000家企业正在开展私人太空探索工作。

More than 1,000 companies across nearly all 50 states are working on private space initiatives.

youdao

在全美将近50个州里，已经有超过1000家企业正在开展私人太空探索工作。

More than 1,000 companies across nearly all 50 states are working on private space initiatives.

youdao