1、The sharks were finning near the surface.
這些鯊魚靠近水面時鰭露水面上。

2、propel oneself through the water in a finning motion
在水中揮動鰭以前進。

3、To satisfy the growing market, some fishermen have taken to finning sharks.
為了滿足不斷增長的市場需求，一些漁民已采取只割鯊魚鰭的做法。

finning翻譯