You can use supplies to refer to food, equipment, and other essential things that people need, especially when these are provided in large quantities. 补给品
noun [具体名词]供应,补给
The main pipeline supplying water was sabotaged by rebels. 主供水管道被叛乱分子故意破坏了。
verb [vt. 及物动词]供应;成为……的源泉;满足要求;取代(supply 的现在分词)
They have been supplying covert military aid to the rebels. 他们一直在为叛军提供隐秘的军事援助。