Fluorine, one of the necessary trace elements of human beings is presented in the forms of inorganic and organic compounds in foods, such as sodium fluoride, silicon fluoride, and fluoroacetate etc.
氟是人体必需的微量元素之一,通常以各种多元无机态有机态形式存在。
Fluorine, one of the necessary trace elements of human beings is presented in the forms of inorganic and organic compounds in foods, such as sodium fluoride, silicon fluoride, and fluoroacetate etc.
氟是人体必需的微量元素之一,通常以各种多元无机态有机态形式存在。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工,表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。