They announced the death reasons two days later : one was wounded to death by propellers , while the other suffered a sudden death due to electrofishing or other man-made causes .

两天后，水生所发布消息说，一头江豚是遭螺旋桨击伤致死，另一头则疑为电捕鱼或其他原因导致猝死。

This team patrolled the waters like aquatic ghostbusters sporting electrofishing backpacks and using electrodes to stun the fish before transferring them to an oxygenated tank .

这个团队像水生驱鬼者一样背着电击包巡查这个水域，将鱼击晕，然后将它们转移到一个充满氧气的鱼缸中。