| 单词 | undetectable |
| 释义 | undetectable (once / 46903 pages) adj WORD FAMILY undetectable: undetectably+/detect: detectable, detected, detecting, detection, detective, detector, detects/detectable: detectably, undetectable/detected: undetected/detection: detections/detective: detectives/detector: detectors USAGE EXAMPLESTruth - Effective treatment works by reducing the amount of the virus in the blood to undetectable levels. BBC(Dec 01, 2016) Dust-mite levels were lower, and cockroach and rat allergens were mostly undetectable. Washington Post(Nov 21, 2016) Their measurements showed that the assassin bugs’ vibrations were virtually undetectable—revealing how these insects earned their name. Science Magazine(Oct 25, 2016) 1adj not easily seen Syn invisible, unseeable impossible or nearly impossible to see; imperceptible by the eye 2adj barely able to be perceived Syn indiscernible, insensible imperceptible, unperceivable impossible or difficult to perceive by the mind or senses |
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