impurity例句
2024年07月01日 00:24:10
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.