| 单词 | lifeline |
| 释义 | lifeline n 1 (nautical 海) (a) line or rope for saving life such as that attached to a lifebelt, or fastened along the deck of a ship in a storm for sailors to hold on to 救生索. (b) line attached to a deep-sea diver （深海潜水员的）信号绳. 2 (fig 比喻) anything on which sb/sth depends for continued existence 生命线; 命脉 Public transport is a lifeline for many rural communities. 公共交通对许多农村居民来说是不可或缺的. |
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