mid-15c., "thing which makes or is impure;" c. 1500, "fact or quality of being impure," from Middle French impurité, from impur (see impure). Related: Impurities.
雙語例句
1. The oxygen reacts vigorously with the impurity in the iron.
氧氣與鐵中的雜質發生劇烈的化學反應.
來自辭典例句
2. This impurity must be purged away after death.
這種污穢應該在死后加以凈化.
來自辭典例句
3. The impurity of supposedly pure subcellular fractions is a constant threat to the plant biochemist.
以為亞細胞組分很純而實際不純的情況,一直是植物化學家感到難辦的問題.
來自辭典例句
4. Silica, in fact, is a desirable impurity because it is one of the reactants.
硅石實際上是一種有用的雜質,因為它是一種反應劑.
來自辭典例句
5. Reasons of forming first cracks were foundry lacuna, impurity gathering , lard exiting.