alertness / əˈlɜrt /

警觉性警惕性警觉警戒性

alertness3 个定义

adj. 形容词 adjective
  1. fully aware and attentive; wide-awake; keen: an alert mind.
  2. swift; agile; nimble.
n. 名词 noun
  1. an attitude of vigilance, readiness, or caution, as before an expected attack.
  2. a warning or alarm of an impending military attack, a storm, etc.: We'd just boarded the bus when the alert sounded.
  3. the period during which such a warning or alarm is in effect.
v. 有主动词 verb
  1. to warn to prepare for action.
  2. to warn of an impending raid, attack, storm, etc.: The radio alerted coastal residents to prepare for the hurricane.
  3. to advise or warn; cause to be on guard: to alert gardeners to the dangers of some pesticides.

alertness 近义词

n. 名词 noun

watchfulness

alertness 的近义词 4

更多alertness例句

  1. Exposure alerts worked for the governor of Virginia, Ralph Northam.
  2. On Tuesday, Oaks and his colleagues were alerted that Braddy had fled to Maryland and was considered to be armed and dangerous.
  3. He became McMurdo’s resident aurora chaser, reading up on the Southern Lights and alerting his colleagues when they could expect the most dazzling displays.
  4. To avoid alerting their prey, cheetahs start out hunting low to the ground, where their spotted coat helps them blend into the terrain.
  5. In addition, users will be able to configure alerts if there’s no activity or when the first interaction with the device occurs on a daily basis.
  6. The Mossad high command must surely be convening emergency meetings in an atmosphere of tension and heightened alertness.
  7. Researchers have found that a long nap — of two hours or more — can significantly improve alertness for up to 24 hours.
  8. And on the edges of evangelicalism, where alertness to “New Age” influence runs high, concern has bloomed into outrage.
  9. Like all barbiturates, it can overwhelm alertness to the point of stopping the urge to breathe.
  10. Navigating through high turbulence and electric storms needs total alertness.
  11. Escape may occasionally develop mental alertness, but does not usually do so.
  12. Then Sogrange's voice and the beat of his forefinger upon the table stiffened him into sudden alertness.
  13. The prisoner, a few feet from them across the table, was suggestive of neither resistance nor mental alertness.
  14. And she had the look of alertness and perfect health which often accompanies a happy temperament.
  15. Life means to M. de Blowitz a mental activity and alertness that never sleep.