非相对论性 fēixiāngduìlùnxìng non-relativistic Origin Definitions Defs Strokes Stroke Words Sentences Sents 非 fēi adverbadjective non- (prefix) non-; un-; indicating a category or state outside of a specific scope相对论性 相對論性 xiāngduìlùnxìng relativistic relating to or involving the theory of relativity in physics