superior gastrointestinal endoscope upper endoscope upper gastrointestinal endoscope
Related Translations:
消化: digestion; digest 短语和例子消化所学的东西 digest what sb. has learnt; 好消化 digestible; easy to digest; 消化吸收和推广国外先进技术 digest, assimilate and spread advanced technology introduced from other countries;
