oxygen mask（氧气面罩）是什么意思？音标发音+图解场景

氧气面罩 /yǎng qì miàn zhào/ n

English: oxygen mask · 氧气面罩

释义：Device placed over the nose and mouth to help breathing by means of oxygen insufflation. respiratory system

这个词出现在以下图解场景（1）