sandwich的複數形式怎麼寫

例句：

The sandwich took the edge off my appetite.

這份三明治使我食慾大減。

We made mountains of sandwiches.

我們做了一大堆三明治。

Would you like a sandwich?

您來一個三明治好嗎？

I ordered a beer and a sandwich.

我要了一杯啤酒，一個三明治。