In extended uses. Something that is depended on or which provides a means of escape from a difficult situation; an essential line of communication…
| 单词 | θ202581 |
| 释义 | society > travel > means of travel > [noun] > essential (1) lifeline1941 In extended uses. Something that is depended on or which provides a means of escape from a difficult situation; an essential line of communication… |
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英语词典包含1132095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。