trace elements
trace elements是什么意思、trace elements怎么读
            
                【医】 微量元素
                
                    
                
                
                
                
                
            
            trace elements汉语翻译
【医】 微量元素
                trace elements英语解释
名词 trace element:
- an element that occurs at very small quantities in the body but is nonetheless important for many biological processes同义词:trace element
trace elements例句
- A trace element.痕量元素,微量元素