trace amount

例句 (10)

• The laboratory analysis detected only a trace amount of the contaminant.实验室分析仅检测到微量的污染物。
• Even a trace amount of the allergen can cause a severe reaction.即使是微量的过敏原也可能引起严重反应。
• Scientists found a trace amount of water on the distant planet.科学家们在遥远的行星上发现了微量的水。
• The new manufacturing process aims to eliminate even a trace amount of impurities.新的制造工艺旨在消除哪怕是微量的杂质。
• He argued that the substance was present in such a trace amount that it posed no risk.他争辩说，该物质的含量如此之少，以至于不构成任何风险。
• A trace amount of gold was discovered in the riverbed.河床中发现了微量的黄金。
• The recipe requires only a trace amount of saffron for flavor.这个食谱只需要微量的藏红花来调味。
• Forensic experts identified a trace amount of gunpowder on the suspect's clothes.法医专家在嫌疑人的衣服上发现了微量的火药。
• Despite thorough cleaning, a trace amount of residue remained.尽管彻底清洁，仍残留着微量的残留物。
• Modern instruments can detect incredibly small, even trace amounts, of chemicals.现代仪器可以检测到极其微小的化学物质含量，甚至是微量。