alertness
[ə'lə:tnis]
n. 警戒, 机敏
例句与用法:
Emily is a Londoner born and bred and, for a woman some years past the allotted span, of a truly remarkable vigour and alertness.
埃米莉生在伦敦长在伦敦,虽已年逾古稀,但实在令人惊讶的是,她仍精力充沛,耳聪目明。
词形变化:
动词过去式: alerted | 动词过去分词: alerted | 动词现在分词: alerting | 动词第三人称单数: alerts |
详细释义:
n.[U]
1. 警觉; 机警
The order urged the armed forces to enhance their alertness.
该项命令敦促武装部队提高警惕。
2. 活泼; 灵活, 敏捷