生命线

1.For many old people living on their own the telephone is their lifeline to the outside world.

对许多独居的老年人来讲,电话是他们与外界联系的生命线。

2.Connie Flinders has lived in Ogden since she was a child and takes us back to the days when railroading was the city's lifeblood.

康妮·弗林德斯从童年起一直住在奥格登。她把我们回到铁路经营还是这座城市的生命线的年。