two-dayCOCA¹⁷⁰⁸³BNC¹²⁶⁶⁴iWeb¹¹⁷⁹²Economist¹⁹⁰⁵⁰⁺⁹ 基本例句 🌏两天的 Today is the start of a two-day public hearing convened by the Institute of Medicine, which is examining whether there is still a need for invasive chimpanzee research. 自今日起，由美国医学学会举行为期两日的公众听证会，目的就是深究一下是否还有需要开展以伤害大猩猩为代价的研究。 yeeyan