infectious microbe 杂菌
infectious microbe count 杂菌数
One 2004 study found that 48 percent of neckties worn by a sampling of New York City doctors and clinical workers carried at least one species of infectious microbe.
2004年一个研究发现48%纽约市医生及医务人员的领带携带有至少一种传染性微生物。
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