I think the black bread is too hard for grandmother to eat.

我觉得这黑面包太硬了，奶奶吃不下去。

I ate two pieces of white bread and one piece of black bread.

我吃了两片白面包和一面黑面包。

Now you won't have to eat hard black bread any more for a little while.

现在你可以有一段时间不用再吃干硬的黑面包了。

"Yes, I know, aunt, she always gives the black bread to Peter," Heidi confirmed her.

“是的，我知道，阿姨，她总是把黑面包给彼得，”海蒂肯定地说。

Blake the baker bakes black bread.

布莱克面包师烘焙黑色的面包。