life ring

n.

救生圈；

Life ring
Life ring
Life ring
Does the 'Ring of Life' ring true?
Support for life ring and associated retrieval line
Design of the life-ring drone delivery system for rip current rescue
Toss the Coast Guard a Life Ring
Pontiff And Profit: Pope Paul VI Predictions In On Human Life Ring True Throughout The World
Mainers aboard ship lost in storm ; Searchers find a life ring from the El Faro - skippered by a Windham man - which vanished during...
Searchers Spot Life Ring from Missing Cargo Ship; Rough Weather Again Hampers Efforts to Find Jacksonville-Based El Faro
Solano County: Coast Guard Rescues Woman Found Floating on Life Ring in Delta
Clear Lake Student Passes on Life Ring Project to 9-Year-Old
Student Death at Docks 'A Mystery' Refused to Grab Life Ring