A young fisherman diving for scallops was killed by a shark off the Pacific coast of Mexico.

一名年轻的渔民在墨西哥太平洋海岸潜水采扇贝时被鲨鱼咬死。

In general, unprovoked shark bites have decreased over the past decade.

总的来说，在过去的十年里，无缘无故的鲨鱼咬人事件已经减少了。