趣英语 / impurity例句

impurity例句

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.

This impurity must be purged away after death.
这种污秽应该在死后加以净化.

The impurity of supposedly pure subcellular fractions is a constant threat to the plant biochemist.
以为亚细胞组分很纯而实际不纯的情况,一直是植物化学家感到难办的问题.

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