水谷的英文：
foodstuff

Rice is our essential foodstuff in life.
大米是我们生活的基本食物。

They are requesting air drops of foodstuffs to the flooded areas.
他们要求对洪灾地区空投食品。

Vitamins are very potent organic substances that occur in minute quantities in natural foodstuffs
维生素是以微量形式存在于天然食物中的非常有用的有机物。

A carbohydrate resembling starch that is composed of glucose and forms the reserve foodstuff of certain algae.
副淀粉，类淀粉，裸藻淀粉一种类似淀粉的碳氢化合物，由葡萄糖构成并保留了某些藻类植物的营养成分

The government agreed to peg down the retail price of certain basic foodstuffs
政府同意限制某些基本食物的零售价格。