life jacket（救生衣）是什么意思？音标发音+图解场景

救生衣 /ˈlaɪf ˈdʒakɪt/ n

English: life jacket · 救生衣

释义：Buoyant vest filled with air or plastic foam that is used to keep a person afloat.

这个词出现在以下图解场景（1）