Word · Frequency #7431
nitrate
/ˈnaɪˌtreɪt/
noun
硝酸盐；硝酸酯
核心释义
a salt or ester of nitric acid
- 1.
硝酸的盐或酯。
Any salt or ester of nitric acid.
- 2.
含有硝酸基的任何化合物(如硝酸盐或硝酸酯)
any compound containing the nitrate group (such as a salt or ester of nitric acid)
硝酸的盐或酯。；含有硝酸基的任何化合物(如硝酸盐或硝酸酯)；硝酸盐；[化] 硝酸盐(或酯)
用法In use
Farmers often add nitrate to the soil to help crops grow.
用法提示：此处nitrate作不可数名词，指硝酸盐这种化学物质。
Some processed meats contain nitrates to prevent bacteria from growing.
用法提示：此处nitrates为复数形式，指多种硝酸盐化合物。
The lab report showed a high level of nitrate in the river water.
用法提示：此处nitrate作不可数名词，强调作为物质的硝酸盐。
nitrates in sth
表示某物（水、土壤、食物等）中所含的硝酸盐时，常用复数 nitrates 后接 in 短语。
High levels of nitrates in drinking water can be harmful to babies.
饮用水中硝酸盐含量过高可能对婴儿有害。
[metal/element] nitrate
具体硝酸盐的名称一般由金属或元素名加 nitrate 构成，如 silver nitrate（硝酸银）。
相关词与表达Connections
搭配Collocations
- silver nitrate
- 硝酸银
- Silver nitrate is still used in some medical treatments.硝酸银至今仍用于某些医学治疗中。
- ammonium nitrate
- 硝酸铵
- The warehouse stored large quantities of ammonium nitrate.仓库里存放着大量硝酸铵。
- potassium nitrate
- 硝酸钾
- Potassium nitrate is a key ingredient in gunpowder.硝酸钾是火药的关键成分。
- nitrate levels
- 硝酸盐含量
- Nitrate levels in the river have risen sharply.河水的硝酸盐含量急剧上升。
- nitrate pollution
学习提示Learner notes
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.