katsuobushi

例句：

1. 1.The whale shark is a fascinating creature that can grow up to 20 feet long.
   鲸鲨是一种令人着迷的生物，它可以长到20英尺长。
2. 2.The whale shark is a protected species, and it's important to respect their habitat.
   鲸鲨是一种受保护的物种，尊重它们的栖息地是很重要的。
3. 3. The whale shark is a symbol of the ocean's beauty and diversity.
   鲸鲨是海洋美丽和多样性的象征。