a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
rhenium的用法和樣例：
例句
用作名詞 (n.)
At higher applied forces, rhenium diboride is a little bit below that. 在更高的作用力下，二硼化錸的硬度僅比氮化硼稍低。
The extraction separation of rhenium with acetone has been applied to the determination of rhenium in rock samples. 而聞對錸的萃取分離已用於岩石中痕量錸的實際分析測定。
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