impurity

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 |

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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。