1. Quaaludes were commonly prescribed as a sedative in the 1970s.
在20世纪70年代，Quaalude常被作为镇静剂开处方使用。
2. The recreational use of Quaaludes has been banned due to their highly addictive nature.
由于Quaalude具有高度上瘾性，其娱乐使用已被禁止。