海豚在英语中读作 "dolphin".
这个词来源于希腊语 "delphis"，意为"海马"。在古希腊，海豚被认为是神话中海洋女神多菲斯的化身。
例句1:
The dolphins were swimming gracefully in the ocean.
(海豚在海洋中优雅地游泳。)
例句2:
I saw a group of dolphins jumping out of the water while on a boat tour.
(我在乘坐船游时看到一群海豚跳出水面。)
例句3:
Dolphins are highly intelpgent and social animals.
(海豚是高度聪明和社交动物。)