detect a trace

Examples (10)

• Scientists can detect a trace of pollutants in the air.
• It's difficult to detect a trace of emotion in his voice.
• The advanced equipment was able to detect a trace of the rare element.
• After careful analysis, they could detect a trace of poison in the sample.
• Even a highly sensitive instrument might not detect a trace of that substance.
• The doctor couldn't detect a trace of the infection in her blood.
• We need to detect any trace of fraud before it spreads.
• Through forensic examination, experts hope to detect a trace of the suspect's DNA.
• He tried to hide his fear, but she could still detect a trace of it.
• Modern technology allows us to detect a trace of water on distant planets.