| 单词 | lactose-positive |
| 释义 | > as lemmaslactose-positive lactose-positive adj. Microbiology (of a bacterium) able to metabolize lactose; (also) designating the condition of being able to metabolize lactose. ΚΠ 1912 D. McKail Public Health Chem. & Bacteriol. xviii. 359 111 Lactose-positive streptococci were found in 156 c.c. of raw river water. 1956 C. Hinshelwood Addr. President p. x, in Proc. Royal Soc. A. 238 If, however, a very large inoculum of cells..is plated, some colonies develop much more rapidly, and their number has been used to give a measure of the so-called lactose-positive condition. 2009 R. E. Levin Rapid Detection & Characterization Foodborne Pathogens v. 142 This is due to the large number of sucrose-negative, lactose-positive vibrios in marine environments. < as lemmas |
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