She is attending a three-day conference on AIDS education.She has a weekly session at the health club on Saturdays.
hold[həʊld]vt.拿,握;使保持某种状态;掌握;推迟,延迟;拥有,保存;托住,支承;认为,相信;吸引;占据,据守;容纳;举行vi.支持住;持续;有效,适用n.握住,抓住;控制;货舱;中断;暂停【商】hold down 阻止上涨;压制;保住【搭】catch/get/tak