finback
1. similar to but smaller than the finback whale.
与长须鲸形似但较小。
2. small finback of coastal waters of Atlantic and Pacific
大西洋和太平洋沿海水域中的小型长须鲸
3. small finback of coastal waters of Atlantic and Pacific.
大西洋和太平洋沿海水域中的小型长须鲸。
4. Smaller whales include the bottlenose, the humpback, the sperm, and the finback.
并且它与在整个文章内容上不能衔接,故不能填。