flinthead

例句：

1. 1.The fisherman was so focused on his task that he didn't notice the flinthead slicing through the water.
   渔民全神贯注于他的工作，以至于没有注意到一条铁头鱼正在切割水面。
2. 2. The flinthead is a rare species found only in certain parts of the world.
   铁头鱼是一种稀有的物种，仅在某些地区发现。
3. 3. The flinthead has a unique appearance and is often used as bait for anglers.
   铁头鱼有独特的外观，常被钓鱼爱好者用作诱饵。