我的首次潜水在1976年，并于1979年在大学里得到了OW证书（花了25美金支付课程，当然这是很久以前的事情），之后我在北美的沉船潜圈子里变成老手。

I first started diving about 1976 and got my OW cert in 1979 at college ($25 for the class, yes it was a long time ago) and grew up in the Northeast US wreck diving circles.

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这种独特的紫色海绵从未在世界上其他地方出现过，是由潜水员在北诺福克海岸首次发现的。

The unique purple sponge, which had never been seen in other parts of the world, was first discovered by divers off the north Norfolk coast.

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1977年，科学家们乘坐“树洞海洋学会”的阿尔文号潜水艇，在加拉帕戈斯海脊首次发现了这些火山口。

The first of these vents was discovered in 1977 on the Galapagos ridge by scientists in the Woods Hole Oceanographic Institution's submersible, Alvin.

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