“我们非常需要你的帮助，”NASA的主管技术专家，罗伯特·布劳恩，说道。

"We desperately need your help," said Robert Braun, NASA Chief Technologist.

youdao

“我们非常需要你的帮助，”NASA的主管技术专家，罗伯特·布劳恩，说道。

"We desperately need your help," said Robert Braun, NASA Chief Technologist.

youdao