Impurity
[ ɪm'pjʊrəti ]
第5级
其它 Other
n. 污点，污染;掺杂，不纯;不道德，罪恶;混杂物，粗劣品;
💡 词根助记
im不+pur纯洁+ity名词后缀 → 不纯；有罪
📝 例句
Silica, in fact, is a desirable impurity because it is one of the reactants.
硅石实际上是一种有用的杂质，因为它是一种反应剂。
The oxygen reacts vigorously with the impurity in the iron.
氧气与铁中的杂质发生剧烈的化学反应。
impurity diffusion technique
杂质扩散工艺
Make a clear distinction Between purity and impurity
泾渭分明
measurement of impurity profiling
杂质分布测量技术
🌱 联想助记
im 不 + pure 纯
✅ 同义词
🔴 反义词
🔤 词根
in-在b、m、p前变为im-
表示“内”
📖 牛津释义
impurity
n
1 [U] state orquality of being impure 不纯; 不洁; 淫秽.
2 [C] substancepresent in another substance that makes it of poor quality 杂质
remove impurities from silver 去除银中的杂质.
🔁 扩展释义
*[im'pjuәriti]n. 杂质, 不洁, 不纯【化】 杂质【医】 不纯, 杂质
🏥 医学释义
不纯，杂质
🌿 同词根单词
📖 同为「CET-6」词汇
查看全部CET-6词汇 ›🗣️ 情景例句
There was less food for birds and also for the prairie dog, a kind of animal which lives in holes in the ground.
供鸟类吃的食物少了，供草原犬鼠（一种生活在地洞里的动物）吃的食物也少了。
It was important to carry out the work quickly, so an extra team of men were asked to work on the repairs one evening.
因为尽快投入修理工作显得十分重要，于是一天晚上加派了一支工作队来参加维修工作。
And don't set the hillside on fire either!
“也不要把山坡弄着火了。”