The bun was soft and freshly baked.

这个小圆面包很软，是刚烤好的。

He spread butter on his bun before eating it.

他在小圆面包上抹了黄油才吃。

They served the burger in a toasted bun.

他们把汉堡放在烤过的小圆面包里。

She bought a bun from the bakery for breakfast.

她从面包店买了一个小圆面包当早餐。

I like to have a bun with my coffee in the morning.

我喜欢早上喝咖啡时吃一个小圆面包。