英语词汇emergency backup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	emergency backup
释义	emergency n — 急救 n • 紧急事件 n • 急难 n backup — 奥援
随便看	around the bend around the block around the body around the bonfire around the breast around the building around the bush around the cable around the capital around the car around the cavity around the cells around the central core around the central courtyard around the circuit around the circumference around the citadel around the city around the clock around-the-clock operation around the clock protection around the clock service around the coast around the collar around the company

英汉双解词典包含2273206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。

emergency n —