[求助]请帮忙看看这题。

uspresident

24. Dolphins are sleek and powerful swimmers that found in all seas and unlike porpoises have well

defined, beaklike snouts and conical teeth.

B 的that found错了没有异议，我想问的是unlike porpoises have是个什么结构？是定语从句省略了关系代词么？unlike在句中是个什么成分？

谢过。

uspresident

原来是插入语，竟然没看出来，钻牛角尖了

founder

24. Dolphins are sleek and powerful swimmers that found in all seas and unlike porpoises have well

defined, beaklike snouts and conical teeth.

B 的that found错了没有异议，我想问的是unlike porpoises have是个什么结构？是定语从句省略了关系代词么？unlike在句中是个什么成分？

谢过。

你把 unlike porpoises 拿掉, 再读, 就明白了