life belt

基本解释

Adopted pedal brake system, operation ease, extending the life of belt and spindle.
脚踏式制动系统，操作更简单，同时延长龙带和锭子寿命。
The portable life belt provided by the invention has small volume and can be carried conveniently as the gas-bag belt length can be regulated according to waistline of users;
本发明提供的一种便携式救生带，体积小，携带方便，可根据使用者的腰围调节气囊带长度；
ip.com
Aggregates batching system is adopted high-quality unsowed sulphur contact head ring tape compacts Wish steady, reliable running, that effectively raises the usage life of belt.
骨料配料系统采用高质量的无缝硫化接头环形胶带，结构紧凑，运行平稳，可靠。不易跑偏，有效地提高皮带使用寿命。
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But as I grew up, as I got more life and flyfishing experiences under my belt—as I changed, really—my old favorite magazines seemed to stagnate a bit.
FORBES: An Interview With Tom Bie, Founder Of The Drake Magazine
Hunter's vigorous support for the military and for pro-life causes could play well in the Bible Belt.
NPR: Rep. Duncan Hunter (R-CA)
Outside of wearing your seat belt, electronic stability control, or ESC, is now widely viewed as the biggest potential life-saver in an automobile.
FORBES: Magazine Article

A lifebelt is a large ring, usually made of a light substance such as cork, which someone who has fallen into deep water can use to float.