twelfth-year molar英语标准发音：twelfth-year molar英式发音：美式发音：翻译中文第十二年磨牙twelfth-year molar - 基本释义[词典1]第二恒磨牙twelfth-year molar - WEB词典twelfth-year molar翻译 参考资料： 1.百度翻译：twelfth-year molar2.有道词典：twelfth-year molar3.爱词霸：twelfth-year molar
