易混淆的单词： Tunas

These species consist of the so-called principal market tunas and some billfishes .

这些品种包括所谓的主要市场金枪鱼和一些旗鱼。

The bluefin was supposed to have been managed by an intergovernmental body , the international commission for the conservation of atlantic tunas ( iccat ) . But this was so stunningly bad at the job that it was dubbed the international conspiracy to catch all tuna .

蓝鳍金枪鱼本应归大西洋金枪鱼类保护国际委员会（iccat）管理，但他们做的太糟了，被人们起绰号叫做“阴谋捞尽金枪鱼国际委员会”（英文缩写也是iccat）。

Tunas , mackerels , and billfishes have made streamlining into an art form .

金枪鱼、青花鱼和剑鱼都使流线型变成了一种艺术形式。

Most tunas and billfishes have a series of keels and finlets near the tail .

许多的金枪鱼以及长喙鱼类在尾部都有一系列的龙骨脊和小鳍。

Tunas , mackerels , and billfishes have even more sophisticated adaptations than these to improve their hydrodynamics .

金枪鱼，马鲛鱼，以及长嘴鱼比那些改进他们流体力学的鱼油更复杂的适应性。