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Life jacket
01
ライフジャケット
a special type of vest worn to help keep a person afloat in water, especially in case of an emergency
例
The paddler wore a life jacket for safety while on the water.
As they prepared for the storm, the sailors belted their life jackets securely around their waists.
The life jacket automatically blew up when it touched water.
The life jacket billowed up as the sailor pulled the inflation cord.
The inflatable life jacket automatically inflates when immersed in water.
