Knowing more, a top priority for climate researchers as they grabble with new environmental trends.

了解更多是气候研究人员的首要任务, 因为他们正在探索新的环境。

Some of them cleft the rocks with great axes; others grabbled in the sand.

他们中的一些人用大斧头开山劈石，另一些人在沙滩上摸索着。