Lifeline

['laɪflaɪn] or ['laɪf'laɪn]

解释:

(noun.) line thrown from a vessel that people can cling to in order to save themselves from drowning.

(noun.) line that raises or lowers a deep-sea diver.

(noun.) support that enables people to survive or to continue doing something (often by providing an essential connection); 'the airlift provided a lifeline for Berlin'; 'she offered me a lifeline in my time of grief'.

厄纳校对--From WordNet