some bread不要加s。因为bread作为“面包”的含义是不可数名词，可以用于不定冠词a/an+数量名词的单数或复数+of+可数名词/不可数名词的搭配中，例如a piece of bread一片面包。
bread的中文释义及用法介绍
1、当bread作为名词时，是不可数的，中文翻译为“面包”、“钱”。
例句：Could you stop by the store on the way home for some bread?
回家时你能不能顺路进那家店里买点面包？
Make sure you cut the bread nice and thick.
你一定要把面包片切得厚厚的。
Breakfast consisted of dry bread and a cup of tea.
早餐有无黄油的面包和一杯茶。
We had a simple meal of soup and bread.
我们喝汤，吃面包，凑合了一顿。
We stopped and bought some bread.
我们停下来买了一些面包。
He was sawing energetically at a loaf of bread.
他正用力切着一条面包。
We brought along pieces of old bread and fed the birds
我们拿了几片陈面包来喂鸟。
2、当bread作为动词时，是及物动词，中文翻译为“在…上撒面包屑”。
例句：It is important that food be breaded just minutes before frying.
把食物抹上面包屑后过几分钟就炸，这一点很重要。
