英语词汇lifeguard preserving raft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	lifeguard preserving raft
释义	lifeguard preserving raft 简明释义救生筏网络释义 1 ?救生筏 ... life cycle cost (LCC) 寿期成本（寿命周期成本） lifeguard line 救生索 lifeguard preserving raft 救生筏 ...
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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。