它的头骨也是没有气孔的，这是鲸类动物为潜水而作出的另一适应。
The skull also lacks a blowhole, another cetacean adaptation for diving.
她说，她站在潜水用铁笼里，下潜到鲨鱼群边上时，她被这群动物的动作姿态深深打动了，而并不觉得危险。
When she went diving in a cage next to sharks, she said, she was more struck by the animal's movements than the danger.
这张大白鲨照片由潜水专家阿莫斯·纳科姆拍摄，他指导那些勇敢的潜水者与大型动物接触。
The great white image was captured by Amos Nachoum, an underwater expert who guides courageous scuba divers to encounters with the large creatures.
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