Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.

洞穴勘查--或洞穴勘探--是一项比较育活动。

In the 1840s John Fremont and Kit Carson explored the land between the Rocky Mountains and the Pacific Ocean.

在19世纪40年代，约翰·弗里蒙特和基特·卡森勘查了落基山脉和太平洋之间土地。

Well, we have seen the sight from the air, and we have seen that a little smoke still coming up from the damage.

我们从空中勘查现场可看到毁损区域冒出了小量烟。

This is crucial because scientists said that rising temperatures have led to bleaching, and more than 90 percent of the reefs surveyed last year.

这一点至关重要，因为科学家们表示，温度上升已经导致瑚礁褪色变白，去年，他们勘查了90%瑚礁。

Ten years ago, biologists led by Rob Dunn at North Carolina State began to explore the biodiversity of insects in 50 homes in the Raleigh area.

10年前，在罗布·邓恩带领下，北卡罗来纳州生物学家开始在罗利地区50座房屋勘查昆虫生物样性。

The accident investigation is inseparable from professional operations such as interpretation of the black box, on-site investigation, recovery of wreckage, visits to personnel and units, and laboratory testing.

事故调查离不开黑匣子解读、现场勘查、残骸回收、人员单位走访、实验室检测等专业操作。