alertness
n. 警戒；机敏alertness Noun the process of paying close and continuous attention;"wakefulness, watchfu......
n. 警戒；机敏alertness Noun the process of paying close and continuous attention;"wakefulness, watchfu......
基本解释：警戒，机敏;戒心alertness 是什么意思及中文翻译：名词(n.) 警戒，机敏名词(n.) 戒心alertness 大小写变形： Alertnessalertness 词态变化： ......
