| 释义 |
porpoise/ˈpɔ:pəs, -pɔis/n. any of various small toothed whales of the family Phocaenidae, esp. of the genus Phocaena, with a low triangular dorsal fin and a blunt rounded snout (鼠海豚属的)鼠海豚 [Middle English porpays etc. from Old French po(u)rpois etc., ultimately from Latin porcus ‘pig’ + piscis ‘fish’] |