It is my great honor to declare the commencement of Beijing International Conference on Outer Space Exploration.

我非常荣幸地宣布太空开发北京国际会议现在开幕。

youdao

It is my great honor to declare the commencement of Beijing International Conference on Outer Space Exploration.

我非常荣幸地宣布太空开发北京国际会议现在开幕。

youdao