These steps , known to microbiologists as Koch's postulates, were established in the 19 th century.这些微生物学家称之为柯赫氏法则的步骤确立于19世纪.Almost all of the techniques that microbiologists use are customized for life as we know i...

microbiologists的音标：...

n.微生物学( microbiology的名词复数 )...