例句
We were delighted to see a group of porpoises swimming alongside our boat during the marine tour.
在海洋之旅中，我们很高兴看到一群海豚在我们的船旁游泳。
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。
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。