She has been learning ballroom dance since childhood.
Tips
usage
Two unrelated abbreviations sharing the same form: (1) 国家标准 'national standard' - used in product specs (国标 GB), and (2) 国际标准舞 'international ballroom dance'. Context disambiguates: if it's about regulations, sense 1; if about dancing, sense 2.
culture
国标码 is also the name for the GB encoding used in early Chinese computing (GB2312, GBK), the predecessor of UTF-8 for Chinese text.
