porpoise/ˈpɔːr.pəs/名词鼠海豚While on a whale-watching tour, we were lucky enough to spot a playful pod of porpoises swimming alongside our boat.在一次观鲸之旅中,我们很幸运地发现了一群顽皮的海豚一直在我们的船旁游泳。想跟读,去练习