tarnishing ['tɑ:nɪʃɪŋ]

以下由轻松背单词网站提供

单词级别

附加级

基本释义

（印花）白地沾色

参考例句

The causes of tarnishing gold and silver-plated connectors were studied respectively. 分别探讨了接插件镀金和镀银层变色的原因。
Bright tin electrodeposits on copper wire are susceptible to tarnishing. 铜线材经光亮镀锡后易产生腐蚀变色。

tarnishing ['tɑ:nɪʃɪŋ]

单词级别

基本释义

参考例句

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