detect a trace

检测到痕量

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to discover or identify the presence of a small amount.

发现或识别出少量物质的存在。

traceVERB + NOUN

分类:

detect

例句 (10)

detect a trace = 检测到痕量 (发现或识别出少量物质的存在。)

  • Scientists can detect a trace of pollutants in the air.科学家能够检测出空气中微量的污染物。
  • It's difficult to detect a trace of emotion in his voice.很难从他的声音中察觉到一丝情感。
  • The advanced equipment was able to detect a trace of the rare element.先进设备能够检测到稀有元素的微量成分。
  • After careful analysis, they could detect a trace of poison in the sample.经过仔细分析，他们能够检测出样本中微量的毒素。
  • Even a highly sensitive instrument might not detect a trace of that substance.即使是高灵敏度仪器也可能无法检测出该物质的痕迹。
  • The doctor couldn't detect a trace of the infection in her blood.医生无法从她的血液中检测到一丝感染的痕迹。
  • We need to detect any trace of fraud before it spreads.我们需要在欺诈蔓延之前发现任何一丝迹象。
  • Through forensic examination, experts hope to detect a trace of the suspect's DNA.通过法医鉴定，专家们希望检测到嫌疑人的微量DNA。
  • He tried to hide his fear, but she could still detect a trace of it.他试图掩饰自己的恐惧，但她仍然能察觉到一丝痕迹。
  • Modern technology allows us to detect a trace of water on distant planets.现代科技使我们能够探测到遥远行星上的微量水。