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鲨鱼是世界上最古老、最长寿的深海海洋的软骨动物之一,已生存4亿年之久,它生命力极强,几乎不被疾病感染,即使受到外伤,伤口也能很快恢复。
Shark is one of the world’s oldest and longest-lived deep-sea marine cartilage animals. It has been living for 400 million years. Its vitality is very strong, and it is hardly affected by the disease. Even if it is traumatized, the wound can recover quickly.