The country is poor in minerals.
这个国家矿物不丰富。
Fats and sugar are very rich in energy but poor in vitamins and minerals.
脂肪和糖富含热量，但缺乏维生素和矿物质。
Most rainforest soils are thin and poor because they lack minerals and because the heat and heavy rainfall destroy most organic matter in the soils within four years of it reaching the forest floor.
大多数雨林土壤都很贫瘠，因为它们缺乏矿物质，而且高温和强降雨会在到达森林地面后的4年内破坏土壤中的大部分有机物。
Poor children take in virtually the same amount of protein, vitamins, and minerals as middle-class children; and they actually consume more meat.
贫穷的儿童实际上摄入的蛋白质、维生素、矿物质与一般儿童一样；事实上他们吃的肉更多。
The bacteria live in the plaque that builds up around the base of teeth due to poor dental hygiene. Plaque is a gradual accumulation of food debris, saliva and minerals.
口腔卫生状态差时，食物残渣、唾液及矿物质逐渐堆积，在牙根部形成菌斑，细菌即在此增生。
Fats and sugar are very rich in energy but poor in vitamins, minerals and dietary fibre.
脂肪和糖类热量很高，但维生素、矿物质和膳食纤维贫乏。
Pyrite is the main Au bearing minerals but quartz is poor in Au.
黄铁矿为主要载金矿物，石英为金的洁净矿物；
Fast food is very poor in vitamins and minerals.
快餐中缺乏维生素和矿物质。
The ores from a Yunnan Tin-polymetallic mine contains high level of easy-floating silica minerals, resulting in poor zinc flotation effect in production.
云南某锡多金属矿矿石中易浮硅质矿物含量高，造成生产上浮选锌的效果很差。
The ores from a Yunnan Tin-polymetallic mine contains high level of easy-floating silica minerals, resulting in poor zinc flotation effect in production.
云南某锡多金属矿矿石中易浮硅质矿物含量高，造成生产上浮选锌的效果很差。
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