Tunas, mackerels, and billfishes have even more sophisticated adaptations than these to improve their hydrodynamics.
金枪鱼、鲭鱼和长嘴鱼有比这些更复杂的适应性，以提高自己的流体动力学。
Tunas, mackerels, and billfishes have even more sophisticated adaptations than these to improve their hydrodynamics.
金枪鱼、鲭鱼和长嘴鱼有比这些更复杂的适应性，以提高自己的流体动力学。
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