tarnishing造句
Ahardbrittlebluewhitemultivalentmetallicelementandtarnishing.Youcanusechemistrytoreversethetarnishingreaction,andmakethesilvershinyagain!ahardbrittleblue-whitemultivalentmetallicelement;resistanttocor...
Ahardbrittlebluewhitemultivalentmetallicelementandtarnishing.Youcanusechemistrytoreversethetarnishingreaction,andmakethesilvershinyagain!ahardbrittleblue-whitemultivalentmetallicelement;resistanttocor...