英语词汇“blue alert”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	blue alert
释义	blue alert noun : the second stage of alert (as for a threatened air attack or an approaching storm) during which emergency preparations are carried out according to plan also : the signal for this compare red alert, white alert, yellow alert
随便看	black dog black dogwood black dot black draft black drink black drongo black drop black drum black duck black dwarf black dwarfs black eagle black earth Black East Indian black ebony black economy black elderberry black end Black English black english vernacular black eye black eyes black fever black fiber black fig

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

blue alert