Thanks to their sleek bodies and strong paddle-like flippers, gentoos are the world fastest underwater swimming birds, reaching speeds of up to 22 miles an hour (36 kilometers an hour).

• 由于有着圆滑的身体和强壮的像桨一般的鳍，巴布亚企鹅成为世界上在水底游得最快的游禽，游速可达每小时22英里（即每小时36公里）。