alertness

[ə'lə:tnis]

n. 警戒, 机敏

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

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 |

词义辨析

同义参见:

英英释义

名词 alertness:

the process of paying close and continuous attention

同义词：watchfulness, wakefulness, vigilance

a state of readiness to respond

同义词：alerting

lively attentiveness

同义词：sharp-sightedness, on the qui vive

补充

例句