| 单词 | foreign material |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔sputum〕Matter coughed up and usually ejected from the mouth, including saliva, foreign material, and substances such as mucus or phlegm, from the respiratory tract.唾沫，痰：通常从嘴中咳出的杂物，包括唾液、异物和象粘液和痰等来自呼吸道的东西美国传统 |
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