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alertness是什么意思

alertness

美[ə'lɜːtnəs] 英[ə'lɜːtnəs]

n. 警戒；机敏

近义词：chariness，brain，watchfulness，vigilance，attentiveness，awareness，preparedness，readiness，onthequivive，sharp-sightedness，alerting，wakefulness，

英英释义

Noun

the process of paying close and continuous attention;
"wakefulness, watchfulness, and bellicosity make a good hunter" "vigilance is especially susceptible to fatigue"
a state of readiness to respond;
"alerting was indicated by the desynchronization of the EEG"
lively attentiveness

例句

用作名词(n.)

The other half of the brain stays awake at a low level of alertness.另一半大脑在低水平警戒状态下保持清醒。
They also increase alertness and energy.它们也能提高机敏性和精力。
Without Alertness I'll be stupid.没有机敏那是愚蠢。

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