A Randomized Double-blind Study of Prevention of Postoperative Nausea and Vomiting with Ondansetron, Tropisetron, or Granisetron in Patients Undergoing General Anesthesia是什麼意思_A Randomized Double-blind Study of Prevention of Postoperative Nausea and Vomiting with Ondansetron, Tropisetron, or Granisetron in Patients Undergoing General Anesthesia在線翻譯_英語_讀音_用法_例句