We turned on our Ruhmkorff devices and went along a coral shoal in the process of forming, which, given time, will someday close off this whole part of the Indian Ocean.

兰可夫探照器使用起来，我们沿着正在形戌的珊瑚层走去，这些珊瑚脉经过相当的时间，有一夭将要把印度洋的这一部分海面封闭起来。