Over the last decade, a series of discoveries have radically expanded our knowledge of the Tyrannosauroidea.

在过去的十年中，一系列的考古发现已经从根本上扩展了我们对暴龙超科（Tyrannosauroidea）的认知。

youdao

The risk-takers and visionaries of this agency have expanded human knowledge, have revolutionized our understanding of the universe and produced technological advances that have benefited all of humanity.

CNN: Bush: 'It is time for America to take the next steps' in space