They believe such a diet which includes no products from animal sources can be deficient in many of the necessary vitamins and minerals our bodies need.
出自-2013年6月听力原文
It lacks the vitamins and minerals essential for health
出自-2013年6月听力原文
柯林斯高阶英汉双解学习词典释义
N-COUNT
矿物;矿物质;矿产
A mineral is a substance such as tin, salt, or sulphur that is formed naturally in rocks and in the earth. Minerals are also found in small quantities in food and drink.