| 词汇 | oxygen mask |
| 释义 | oxygen maskBrE /ˈɒksɪdʒən mɑːsk/ NAmE /ˈɑːksɪdʒən mæsk/ noun a device placed over the nose and mouth through which a person can breathe oxygen, for example in an aircraft or a hospital 氧气面具；氧气面罩 |
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