porpoise

US /ˈpɔːr.pəs/
UK /ˈpɔːr.pəs/
"porpoise" picture
1.

鼠海豚

a small toothed whale with a rounded head and a triangular dorsal fin, typically smaller than dolphins and with a more robust body.

:
We spotted a pod of porpoises swimming near the coast.
我们看到一群鼠海豚在海岸附近游泳。
The porpoise is known for its shy nature compared to dolphins.
与海豚相比,鼠海豚以其害羞的本性而闻名。