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alertness 音標拼音: [əl'ɚtnəs]

n. 警戒,機敏

警戒,機敏

WordNet (r) 3.0 (2006) (WordNet)

alertness
n 1: the process of paying close and continuous attention;
"wakefulness, watchfulness, and bellicosity make a good
hunter"; "vigilance is especially susceptible to fatigue"
[synonym: {watchfulness}, {wakefulness}, {vigilance},
{alertness}]
2: a state of readiness to respond; "alerting was indicated by
the desynchronization of the EEG" [synonym: {alertness},
{alerting}]
3: lively attentiveness [synonym: {alertness}, {sharp-sightedness},
{on the qui vive}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Alertness \A*lert"ness\, n.
The quality of being alert or on the alert; briskness;
nimbleness; activity.
[1913 Webster]

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Alertness	查看　Alertness　在Google字典中的解釋	Google英翻中〔查看〕
Alertness	查看　Alertness　在Yahoo字典中的解釋	Yahoo英翻中〔查看〕

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英文字典中文字典相關資料:

ALERTNESS Definition Meaning - Merriam-Webster
watchful, vigilant, wide-awake, alert mean being on the lookout especially for danger or opportunity watchful is the least explicit term vigilant suggests intense, unremitting, wary watchfulness wide-awake applies to watchfulness for opportunities and developments more often than dangers
ALERTNESS | English meaning - Cambridge Dictionary
ALERTNESS definition: 1 the state of being ready to see, understand, and act in a particular situation: 2 the state of… Learn more
Alertness - Wikipedia
Alertness is a state of active attention characterized by high sensory awareness Someone who is alert is vigilant and promptly meets danger or emergency, or is quick to perceive and act
alertness noun - Definition, pictures, pronunciation and usage notes . . .
Definition of alertness noun in Oxford Advanced Learner's Dictionary Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more
Alertness - definition of alertness by The Free Dictionary
Define alertness alertness synonyms, alertness pronunciation, alertness translation, English dictionary definition of alertness adj 1 Vigilantly attentive; watchful: alert to danger; an alert bank guard
Alertness - Definition, Meaning Synonyms | Vocabulary. com
əˈlʌtnɪs IPA guide Other forms: alertnesses Definitions of alertness noun a state of readiness to respond synonyms: alerting
Alertness Definition Meaning | YourDictionary
The quality of being alert or on the alert; briskness; nimbleness; activity A constant intellectual alertness is required Preparation, both military and moral, alertness and patience were his constant theme Stay away from energy drinks and other products that promise alertness
alertness, n. meanings, etymology and more | Oxford English Dictionary
alertness, n meanings, etymology, pronunciation and more in the Oxford English Dictionary
Alertness - Meaning, Definition English Examples
Alertness is the state of being watchful, attentive, and quick to respond It involves mental sharpness and readiness to notice and react to changes or potential dangers
alertness - WordReference. com Dictionary of English
Alert, vigilant, watchful imply a wide-awake attitude, as of someone keenly aware of his or her surroundings Alert describes a ready and prompt attentiveness together with a quick intelligence: The tourist was alert and eager to see the sights

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