1. The mouthy basking shark is a filter-feeder. It is the second-largest shark, after the whale shark, reaching lengths up to 33 feet (10 meters). 大嘴的姥鲨是一种滤食动物。它是仅次于鲸鲨的第二大的鲨鱼，其身长可达到33英尺（即10米）。
2. heterodontoid A bullhead shark, horn shark, or Port Jackson shark, a member of the order Heterodontiformes, family Heterodontidae. 异齿鲛鲶鲨，角鲨，或港口杰克森鲨，虎鲨目的成员，异齿鲛科。
3. Finning, as it is called, means cutting the fins off a live shark. Some areas ban finning. But illegal shark-fishing is big business. 称它为鱼翅业，意谓着是从活鲨鱼身上剪下来的。一些地方禁止吃鱼翅。而违法的鲨鱼捕捞是一个大商业。
4. Imagine, a dangerous shark can be made vulnerable simply by turning it upside down. The state of tonic immobility makes the shark incapable of movement. 想像一下，只要把一条具有攻击性的鲨鱼翻过来，它就毫无招架之力。这种僵直状态，使得鲨鱼动弹不得。
5. The International Shark Attack File describes shark attacks as either provoked or unprovoked. 国际鲨鱼攻击档案形容鲨鱼攻击要么是受到了挑衅，要么是无故的。
