1. 當海龜游過水族館時，第一只海豚從上方猛撲下去，并用腹部撞擊龜殼。
   As the turtle swims across the oceanarium, the first porpoise swoops down from above and butts his shell with his belly.
2. 那海豚的頭在離船很近的地方冒出來。
   The head of the dolphin popped up quite near the boat.
3. 海豚用鼻子頂著球，使其保持平衡。
   The dolphin balanced the ball on its nose.
4. 我們喜歡看海豚的表演。
   We like to see the performance of dolphins.

海的英語翻譯：

豚的英語翻譯：