形容词::tarnishable
过去式::tarnished
过去分词::tarnished
现在分词::tarnishing
第三人称单数::tarnishes
"The silver was tarnished by the long exposure to the air"
"Her reputation was sullied after the affair with a married man"
Many metals rapidly..tarnish when exposed to even the driest air.
出自:T. H. Huxley