On the occasions when they have pushed to shore an unconscious human being they have much more likely done it out of curiosity or for sport, as in riding the bow waves of a ship.
當(dāng)它們偶爾把一個(gè)失去知覺(jué)的人推到岸邊時(shí),更大的可能是出于好奇或游戲,就像它們追逐被船首犁開(kāi)的浪花一樣。