a group of soldiers or workers can only fight or function effectively if they have been well fed给养充足的士兵（或工人）才能很好地战斗（或工作）
on a full (或 an empty) stomach
after having eaten (or having not eaten)饱（或空）着肚子
a strong stomach
an ability to see or do unpleasant things without feeling sick or squeamish（看或做讨厌的事时）坚强的性格
英语六级真题
Yet due to poor practices in harvesting, storage and transportation, as well as market and consumer wastage, it is estimated that 30-50% of all food produced never reaches a human stomach.
出自-2013年12月阅读原文
Some drugs for relief of stomach upsets, when taken in excess, can perhaps cause serious digestive problems.
2017年12月六级真题（第二套）听力 Section C
柯林斯高阶英汉双解学习词典释义
N-COUNT
胃
Your stomach is the organ inside your body where food is digested before it moves into the intestines.
If the front part of your body below your waist feels uncomfortable because you are feeling worried or frightened, you can refer to it as your stomach .
1. an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion
2. the region of the body of a vertebrate between the thorax and the pelvis
3. an inclination or liking for things involving conflict or difficulty or unpleasantness;
"he had no stomach for a fight"
4. an appetite for food;
"exercise gave him a good stomach for dinner"
Verb
1. bear to eat;
"He cannot stomach raw fish"
2. put up with something or somebody unpleasant;
"I cannot bear his constant criticism""The new secretary had to endure a lot of unprofessional remarks""he learned to tolerate the heat""She stuck out two years in a miserable marriage"