porpoise

[动]海豚, 小鲸英释中释na sea animal that looks similar to a dolphin and breathes air

1 finless porpoise,江豚，江猪

1 The rays are often seen gathering in groups near the surface, “flying” through the water by flapping their pectoral fins and sometimes even leaping porpoise-like into the air..魟鱼经常会成群的聚集在水面以下，通过拍动胸鳍在水中“飞行”，有时候甚至会像海豚一样跃出海面。

2 The Baiji Conservation Aquarium has already scored small successes with a similar breeding scheme aimed at averting the extinction of the endangered Yangtze finless porpoise..为防止这种无鳍海豚的灭绝，白鳍豚保护水族馆采用相同的培育方法已经取得了一些成就。

3 Still, she cautions that it's possible that the Dall's porpoise hunt in Japan may harm subpopulations of that animal, which numbers more than a million worldwide..然而，他警告在日本的捕猎可能危害白腰鼠海豚的亚种的安全，尽管白腰鼠海豚全种在地球上有一百多万只。