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单词 sputum
释义
N32272181sputumSpoken.3Fiction.27Magazine.19Newspaper.3Academic.129

sputum

/ˈspjuːtəm/
noun
mass noun
a mixture of saliva and mucus coughed up from the respiratory tract, typically as a result of infection or other disease and often examined microscopically to aid medical diagnosis
痰。
词源
late 17th cent.: from Latin, neuter past participle of spuere 'to spit'.
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