belly的意思是“肚子,腹部”,可指肚子的外部,也可指肚子的内部,引申可指任何东西的“内部”或“鼓出的部分”。

The tramp kicked the dog in the belly.那流浪汉一脚踢在狗的肚子上。
He had an awful ache in the belly.他的胃疼得很厉害。
I'm sorry I can't finish my pudding; my eyes are bigger than my belly.很抱歉,我不能吃完我的布丁,我太贪心了。
The boat carried much cargo in its belly.船舱里装满了货物。