| 单词 | 救生索 |
| 释义 | 〔mortar〕Any of several similar devices, such as one that shoots life lines across a stretch of water.发射器：任一类似的装置，例如一种用来通过一水道射击出一救生索的装置〔lifeline〕An anchored line thrown as a support to someone falling or drowning.救生索：一条一端固定的绳索，扔给坠落或溺水的人作为支撑物 |
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