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查单词网alertnessalertness英英释意

alertness

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英 [ə'lɜːtnəs] 美[ə'lɝtnɪs]

英语单词alertness

英英释义考试真题实用场景例句

n. 警戒；机敏

英英释意

1. the process of paying close and continuous attention

2. a state of readiness to respond;: "alerting was indicated by the desynchronization of the EEG"

3. lively attentiveness