我午餐吃了一个金枪鱼三明治。

I had a ___tuna sandwich for lunch.

我要做番茄金枪鱼，很好吃的。

I'll make ___tuna with tomatoes; it's delicious.

她买了一罐金枪鱼来做沙拉。

She bought a can of ___tuna for the salad.