英语词汇alertness怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	alertness
释义	alertness 英/ ??l??tn?s / 美/ ??l??rtn?s / 简明释义 n.警戒；机敏专业释义 1 医药科学警觉
随便看	beam calliper beam camber beam candiepower beam candlepower beam capture beam carline beamcarline beam carling beam carving machine beam casing beamcast beam catcher beam cathode beam causticity beam ceiling beam center beam centering beam centre beam centre line beam centring beam centring device beam centroid beam channel beam characteristic beam charge neutralization

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。