| 单词 | alertness |
| 释义 | alertness (once / 4274 pages) n WORD FAMILY alertness: alertnesses+/alert: alerted, alerter, alerting, alertly, alertness, alerts, unalert USAGE EXAMPLESHe drank prodigious amounts of alcohol to dim his heightened alertness and to muffle his sorrows. New York Times(Dec 28, 2016) The difference is that during the day we move from a state of alertness progressively into physiological fatigue approximately every 90 minutes. New York Times(Feb 09, 2013) “These waves are linked with reduced mental irritation and high alertness.” Washington Times(Nov 24, 2016) 1n a state of readiness to respond Syn|Hyper alerting arousal a state of heightened physiological activity 2n the process of paying close and continuous attention Syn|Hypo|Hyper vigilance, wakefulness, watchfulness jealousy zealous vigilance attention the faculty or power of mental concentration 3n lively attentiveness Syn|Hyper on the qui vive, sharp-sightedness attentiveness the trait of being observant and paying attention |
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