Its surface has a bluish tinge and the metal is soft enough to be cut with a knife, but it tarnishes in air.
它表面泛蓝光，非常柔软，可以用小刀切割，但是接触空气后其光泽感消失。
Silver may not be heading back to its record-high levels of about $50 an ounce, but it probably has room to run before the rally tarnishes.
银价可能不会回到每盎司约50美元的纪录高位，但在这波涨势消退前，或许还有上涨空间。
If the plate tarnishes, you can rub it up a little and bring back its shine.
如果盘子失去光泽，你可以稍为擦试一下，使其恢复光泽。
A suit of armor imbued with this property never tarnishes and is immune to acid damage and rusting effects.
一套带有这种属性的铠甲永远不会失去光泽，并且免疫酸腐伤害和锈蚀效果。
It seems envy at being lower in the social pecking order tarnishes the satisfaction of being well off.
你会嫉妒身处社会等级低下而使对自身富裕的满意度不屑一顾。
Salt tarnishes silver.
盐可于银失去光泽。
Sloth tarnishes the edge of wit.
懒散能磨去才智的锋芒。
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