lifeline
n. 生命线；救生索
复数 lifelines
例句
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。
《牛津词典》
Information about the job market can be a lifeline for those who are out of work.
有关就业市场的信息可能就是失业者的生命线。
《柯林斯英汉双解大词典》
Click the diagram frame and drag it to the lifeline.
点击这个图框并将它拖拽到生命线。
