twofoldKK [ˋtuˋfold] /ˈtuˈfoʊld/发音形容词1两方面的、双重的The purpose of this meeting is twofold: to inform and to persuade.这场会议的目的有两个方面:告知与说服。2两倍的Researchers observed a twofold increase in sales last quarter.研究人员观察到上一季的销售额成长了两倍。副词1两倍地、加倍地The city's population has grown twofold in just twenty years.这座城市的人口在短短二十年内成长为两倍。用这个字练口说→