lifeline

美 [ˈlaɪfˌlaɪn]
英 ['laɪf.laɪn]
  • n.生命线;命脉;(水上救援的)救生索;(深海潜水员的)信号绳
  • 网络十万火急;命根子;救生绳
复数:lifelines  
LIFELINE
n.
1.
(水上救援的)救生索a line or rope thrown to rescue sb who is in difficulty in the water
2.
(深海潜水员的)信号绳a line attached to sb who goes deep under the sea
3.
命脉;生命线something that is very important for sb and that they depend on
The extra payments are a lifeline for most single mothers.
额外补助对大多数单身母亲来说都是赖以生存的生命线。

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