As they are, we add more pieces to the puzzle and improve our understanding of the Maya, the ancient builders of Mesoamerica.

正因不断的发掘，我们的拼图碎片数量增多，也加强了我们对玛雅文明、对中美洲古建筑的了解。

Exploring space provides a means to satisfy our thirst for knowledge and improve our understanding of ourselves and our place in the universe.

探索太空提供了渠道来满足我们对知识的渴望，同时让我们更加了解自身和我们在宇宙中的位置。

The United States space agency NASA is paying for this activity. It's a part of a study to improve our understanding of air pollution and climate.

美国航天局NASA为这次活动支付费用，这是一项意在加深我们对污染和气候认识的研究的一部分。

And that is why when I was still serving in the Senate that I began those conversations with Bob Gates to explore how these assets could be applied to the task of improving our understanding of the Earth's environment.

这就是为什么当我还在参议院任职时，我开始与鲍勃·盖茨对话，探索如何将这些资产应用于提高我们对地球环境的理解。