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alloy
In a technical sense, it represents the strategic modification of a pure substance to achieve superior physical properties. It is not just a random mix, but a purposeful engineering of materials for strength, durability, or aesthetics. Metaphorically, it describes a blending that often diminishes purity or intensity. When emotions are "alloyed," it usually implies that a positive feeling is tempered or spoiled by something negative, similar to how adding a base metal to gold reduces its pure value while increasing its hardness.
Countable when referring to a specific type of metal mixture, such as 'a durable alloy' or 'steel and bronze are alloys'. Uncountable when discussing the general process or substance of mixing metals.
意味
A metal made by combining two or more metallic elements, typically to give greater strength or resistance to corrosion.
"Brass is an alloy of copper and zinc."