Background impurity

[化] 本底杂质

🧩 词语组成解析

background ['bækɡraʊnd]
n. (画等的)背景;底色;背景资料;配乐;
back背后+ground场地→背景,后台,经历
impurity [ɪm'pjʊrəti]
n. 污点,污染;掺杂,不纯;不道德,罪恶;混杂物,粗劣品;
im不+pur纯洁+ity名词后缀 → 不纯;有罪

🗣️ 情景例句

I'm with the Bank of China.
我在中国银行工作。
Over my dead body!
宁死不从!
In his youth, his father and grandfather often told him stories about their family history.
年轻时,他的父亲和祖父常常同他说起他们的家史。
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🔤 更多 B 开头的单词

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