lifeline /ˈlaɪfˌlaɪn/ noun plural lifelines
plural lifelines
Learner's definition of LIFELINE
[count]
1
: something which provides help or support that is needed for success or survival生命线 -
The river is the town's lifeline.这条河是小镇的命脉。
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The new jobs were an economic lifeline for a city in need of help.对于一个需要帮助的城市而言，新的工作岗位是其经济的生命线。
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The radio was their lifeline to the outside world.那台收音机是他们与外界连接的生命线。
2
: a rope used for saving the life of someone (such as someone who has fallen into water)救生索