美国留学选择什么专业好?留学美国热门专业推荐
2019-06-26
更新时间:2024-04-23 23:49作者:小编
一:钠是什么意思(中英文)解释的意思
钠是一种金属元素,化学符号为Na,原子序数为11,属于碱金属元素。它在自然界中主要以氯化钠的形式存在,也被称为食盐。钠在生物体内起着重要的作用,是维持生命活动所必需的元素之一。
Sodium is a metallic element with the chemical symbol Na and atomic number 11. It belongs to the group of alkali metals and is mainly found in nature in the form of sodium chloride, also known as table salt. Sodium plays an important role in living organisms and is one of the essential elements for maintaining life.
/ˈsəʊdiəm/
钠可以用于制造电池、合金和玻璃等材料。它也被广泛应用于食品加工、医药和农业等领域。
Sodium can be used to manufacture batteries, alloys, glass and other materials. It is also widely used in food processing, medicine, agriculture, and other fields.
1. The human body needs a certain amount of sodium to maintain normal physiological functions.
2. Too much sodium intake can lead to high blood pressure.
3. Sodium chloride is commonly used as a seasoning in cooking.
4. The sodium content in this product is clearly labeled on the packaging.
5. The chemical symbol for sodium is Na.
五:同义词及用法
钠的同义词为纯碱,它们都是指氢氧化钠。纯碱也是一种碱性物质,可以在清洁剂、肥皂和玻璃制造中使用。
Synonyms for sodium include caustic soda, which refers to sodium hydroxide. Caustic soda is also an alkaline substance that can be used in cleaning agents, soap, and glass manufacturing.
钠是一种重要的金属元素,它在生物体内发挥着重要的作用。虽然我们每天都需要一定量的钠来维持正常生理功能,但过量摄入会对健康产生不利影响。因此,在日常饮食中,我们应该注意钠的摄入量,并选择健康的食品。同时,在工业和科学领域,钠也有着广泛的应用价值。希望本篇词典释义能够帮助大家更好地了解和使用这一元素。