impurity
[im'pjuəriti]
n.不纯, 杂质
例句与用法:
The oxygen react vigorously with the impurity in the iron.
氧气与铁中的杂质发生剧烈的化学反应。
The limestone absorb impurity from the ore and form a fluid slag which floats on the surface of the heavier molten iron.
石灰石吸咐了铁矿石中的杂质,形成浮在较重的铁水表面上的流动渣。
Workers are removing impurities from silver.
工人们正去除银中的杂质。
There are some impurities in food.
食物中有一些杂质。
词形变化:
名词复数: impurities |
详细释义:
n.
1. 不纯; 不洁[U][C]
2. 不道德; 淫猥; 渎神[U][C]
3. 杂质; 不纯之物; 不洁之物[C]
Filtering the water removed some of its impurities.
把水过滤一下除去了一些杂质。