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alertness    音标拼音: [əl'ɚtnəs]
n. 警戒,机敏

警戒,机敏

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}]


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