Shanghai Metro, China. The 468km network of the Shanghai Metro makes it the world's second longest. Shanghai Metro is the third rapid transit system in Mainland China, after Beijing and Tianjin. Shanghai Shentong Metro operates the network through its four subdivisions.
fermentation. n. 1. (Biochemistry) a chemical reaction in which a ferment causes an organic molecule to split into simpler substances, esp the anaerobic conversion of sugar to ethyl alcohol by yeast. Also called: ferment.
Definition of yeast infection. : infection of the vagina with an overgrowth of a normally present candidal fungus (Candida albicans) that is characterized by a discharge and inflammation; broadly : an infection (such as thrush) caused by a yeast fungus or a yeast-like fungus.