A friendly manatee may swim right up and touch your face with his .
一头友好的海牛可能会径自游向你，然后和你贴面。
These marine mammals , like their manatee relatives , must surface every five minutes or so for a fresh breath .
这些像它们跟海牛是亲戚的海洋生物，一定要在5分钟左右探个头，呼吸点新鲜空气。
It was a manatee , and by the looks of the reddish-colored water and the way it was thrashing , it was in trouble .
原来是一只海牛，从略带红色的海水和它摆动尾巴的方式来看，它陷入了麻烦。
It is home to a number of research institutions including the smithsonian institution research center , the manatee observation & education center , and the harbor branch oceanographic institute .
这里是许多研究机构所在地，其中包括史密森学会研究中心，海牛观察与教育中心和海港海洋学研究所。
One of its strangest anecdotes is about mark clark , an american general in the second world war , being served up the last inhabitant of the naples aquarium , a baby manatee .
