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： Alertness
alertness 词态变化： 形容词: alert
包含alertness的单词
Alertness 警醒状态
alertness 相关例句
sports alertness.
运动机敏性
exhibit calmness and alertness
表现沉着机敏
deficient in alertness or activity.
缺少机敏或者活动性。
They also increase alertness and energy.
它们也能提高机敏性和精力。
Fear brings about a heightened state of alertness.
恐惧使得人们提高了警惕程度。
The job requires constant alertness and vigilance.
这种工作需要常备不懈时刻警惕。
He reacts to his surroundings with great alertness.
对周围环境具有高度的灵敏性。
Light increases levels of alertness and will delay sleep.
光线增加警醒度，并延迟睡眠。
The general impression is that of power, agility and alertness.
给人的一般印象是力量, 敏捷和机警。
In large acre laser alertness, laser scattered by atmosphere was depended on.
在大面积激光警戒中, 主要是探测被大气散射的光。
alertness的近反义词
alertness的近义词