hamburger bun

1. Then put the hamburger on the bottom half of the hamburger bun.
   然后把牛肉饼放在下面半个汉堡面包上面。
2. One day at the convenience store where I worked, a woman came in for a hamburger to go. I fixed the bun with lettuce, tomatoes and mayonnaise as she had requested.
   一天在我上班的便利店里，一位妇女进来要一只汉堡包外卖，我按照她的要求准备了带有生菜、西红柿和蛋黄酱的小圆面包。
3. Well, of course it's a hamburger bun, that's what I ordered!
   好，当然它是一个汉堡包，那就是我点的！

noun

1. a round bun shaped to hold a hamburger patty

   Synonym:    hamburger roll