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impurity

英[?m?pj??r?ti]美[?m?pj?r?ti]
n.污點(diǎn)，污染；摻雜，不純；不道德，罪惡；混雜物，粗劣品
網(wǎng)絡(luò)雜質(zhì)；不純；不道德；雜質(zhì)的
詞形變化:
復(fù)數(shù)：impurities  
雙語例句 同反義詞 更多資料

1 . The oxygen reacts vigorously with the impurity in the iron.

氧氣與鐵中的雜質(zhì)發(fā)生劇烈的化學(xué)反應(yīng).

來自辭典例句

2 . This impurity must be purged away after death.

這種污穢應(yīng)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(xì)胞組分很純而實(shí)際不純的情況,一直是植物化學(xué)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(shí)際上是一種有用的雜質(zhì),因?yàn)樗且环N反應(yīng)劑.

來自辭典例句

5 . Reasons of forming first cracks were foundry lacuna, impurity gathering, lard exiting.

鑄造缺陷 、 雜質(zhì)元素偏聚和夾雜物的存在是形成早期裂紋源的原因.

來自互聯(lián)網(wǎng)

英英釋義 行業(yè)釋義 網(wǎng)絡(luò)釋義
noun

1.worthless material that should be removed;

there were impurities in the water

2.the condition of being impure