英语词汇“first responder unit”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

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单词	first responder unit
释义	SeeFRU
随便看	be on full alert be on game be on good, bad, friendly, etc. terms be on good behavior be on good terms be on good terms with be on good terms (with someone) be on good terms with (someone) be on guard be on hand be on/have a short fuse be on head be on her back be on her best behavior be on her best behaviour be on her case be on her conscience be on her game be on her good behavior be on her good behaviour be on her guard be on her head be on her high horse be on her last legs be on her mettle