海豚在英语中称为"dolphin". 该词源自古希腊语"delphys"，意为"肚子"或"胎儿"，因为海豚体型像人类胎儿。
下面是一些用"dolphin"的英文例句，以及它们的中文翻译：
"I saw a dolphin swimming in the ocean while I was on vacation in Hawaii."（我在夏威夷度假时看到了一只海豚在海里游泳。）
"Dolphins are known for their intelpgence and playful behavior."（海豚以智慧和嬉闹的行为而闻名。）
"The dolphin show at the aquarium was amazing!"（水族馆的海豚表演真棒！）
下面是一些用"dolphin"的英文例句，以及它们的中文翻译：
"I saw a dolphin swimming in the ocean while I was on vacation in Hawaii."（我在夏威夷度假时看到了一只海豚在海里游泳。）
"Dolphins are known for their intelpgence and playful behavior."（海豚以智慧和嬉闹的行为而闻名。）
"The dolphin show at the aquarium was amazing!"（水族馆的海豚表演真棒！）