超高速 chāogāosù ultra-high speed Origin Definitions Defs Strokes Stroke Words Sentences Sents 超 chāo adverb super- (bound form) Prefix meaning super-, ultra-, or extra-; occurring at a level significantly higher (or lower) than the normal standard.高速 gāosù adjectivenoun high-speed; high speed moving or operating at a high rate of speed; fast-paced