lifeline
US /ˈlaɪf.laɪn/
UK /ˈlaɪf.laɪn/
名词
1.
生命线
something, especially a way of getting help, that you depend on to lead your life in a satisfactory way:
示例:
•
For many old people living on their own the phone is their lifeline to the outside world.
在 Lingoland 学习这个单词