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。
Although most of their scales have been lost, tunas and mackerels retain a patch of coarse scales near the head called the corselet.
虽然它们的大部分鳞片已经消失，但金枪鱼和鲭鱼头部附近仍保留着一块粗糙的鳞片，称为胸甲。
You should catch at least two mackerels.
你至少得钓两条青鱼。
Strongly acidic: egg yolks, cheese, refined white sugar, Western-style pastry, persimmons, mullet roe, mackerels.
强酸性：蛋黄、乳酪、白糖、西点、柿子、乌鱼子、柴鱼等。
All day he met cod and mackerels and swordfish and groupers, but every time he made his short speech, they turned their backs and would have nothing to do with him.
接下来整天它遇到过鳕鱼、鲭鱼、旗鱼和鲈鱼。每次它发表完简短的谈话，那些鱼都是转身就走，没打算和它打什么交道。
All day he met cod and mackerels and swordfish and groupers, but every time he made his short speech, they turned their backs and would have nothing to do with him.
接下来整天它遇到过鳕鱼、鲭鱼、旗鱼和鲈鱼。每次它发表完简短的谈话，那些鱼都是转身就走，没打算和它打什么交道。
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