trace material
trace material
A nonspecific term for any material or substance found in minute—often barely detectable—amounts in a particular place or setting.Examples
Gunpowder, explosives residue, trace minerals in diet.
单词 | trace material |
释义 | trace materialtrace materialA nonspecific term for any material or substance found in minute—often barely detectable—amounts in a particular place or setting.Examples Gunpowder, explosives residue, trace minerals in diet. |
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