| 单词 | lifeline |
| 释义 | lifeline ['laɪf.laɪn] noun countable ■something, especially a way of getting help, on which you depend to lead your life in a satisfactory way 命脉，生命线 •For many old people living on their own the telephone is their lifeline to ■a rope which is thrown to someone who is in the water, especially the sea, and is in danger （尤指海上救援的）救生索 |
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