单词 | lifeline |
释义 | Word Frequency lifeline(ˈlaɪfˌlaɪn) noun 1. a line thrown or fired aboard a vessel for hauling in a hawser for a breeches buoy 2. any rope or line attached to a vessel or trailed from it for the safety of passengers, crew, swimmers, etc 3. a line by which a deep-sea diver is raised or lowered 4. a vital line of access or communication |
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