The practice of removing a shark’s fins and discarding the body

• Typically done at sea; generally illegal and condemned

割取鲨鱼鳍并将鲨鱼丢回海中的做法

• 多发生在海上，通常非法且受谴责

Removing the fins from a fish or shark

• Present participle/gerund of fin

切除鱼类或鲨鱼的鱼鳍

• 英语动词 to fin 的现在分词/动名词

Propelling oneself in water using fins

• Of a fish: moving with the dorsal fin showing at the surface

借助脚蹼或鱼鳍在水中前进

• 指鱼：背鳍露出水面地游动

Fitting something with fins for style or cooling

• Especially vehicles, devices, or heat-dissipating parts

为物体加装鳍片，以造型或散热之用

• 尤指车辆、设备或散热片