alertness

alertness读音音标

英 [ə\'lɜ:tnəs]

美 [ə\'lɜtnəs]

alertness意思解释

n.

警戒，机敏；

戒心；

英英释义

n.

the process of paying close and continuous attention

同义词：watchfulnesswakefulnessvigilance

a state of readiness to respond

同义词：alerting

lively attentiveness

同义词：sharp-sightednesson the qui vive

双语例句

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。