oxygen mask
noun /ˈɒksɪdʒən mɑːsk/
/ˈɑːksɪdʒən mæsk/
- a device placed over the nose and mouth through which a person can breathe oxygen, for example in an aircraft or a hospitalTopics Transport by airc1, Medicinec1
单词 | oxygen mask |
释义 | oxygen masknoun /ˈɒksɪdʒən mɑːsk/ /ˈɑːksɪdʒən mæsk/
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