Toast与Roast有区别吗?

问题描述:

Toast与Roast有区别吗?
And the good doctor was so interested in animals that he couldn't resist the temptation to sample them as food.So guests who came to dinner had to be prepared for a most unusual menu,mice on toast,roast giraffe.

在这段文字中,
toast解作 土司或烤面包片 (老鼠土司)
roast解作 烘烤 (烤长颈鹿)