soda waterBrE/ˈsəʊdə wɔːtə(r)/NAmE/ˈsoʊdə wɔːtər/, /ˈsoʊdə wɑːtər/ (also soda) noun[U, C]fizzy water (= water with bubbles) used as a drink on its own or to mix with alcoholic drinks or fruit juice (originally made with sodium bicarbonate)汽水；苏打水[C]aglassofsodawater一杯汽水