tuna

I usually pack a tuna sandwich for lunch because it's easy to make.

(Chinese) 我午餐通常带一个金枪鱼三明治，因为它做起来很方便。

Commercial fishing for bluefin tuna is strictly regulated to prevent overfishing.

(Chinese) 为了防止过度捕捞，蓝鳍金枪鱼的商业捕捞受到严格监管。