U.S. Army volunteers took pot, acid and angel dust at a facility in Edgewood, Md.

在美国马里兰州艾奇伍德的一套特殊装置中，美国陆军志愿者接受掩埋、酸和沙尘等类测试。

U. S. Army volunteers took pot, acid and angel dust at a facility in Edgewood, Md.

在美国马里兰州艾奇伍德的一套特殊装置中，美国陆军志愿者接受掩埋、酸和沙尘等类测试。

Originally developed as a safer alternative to the anesthetic phencyclidine, better known as PCP or angel dust, ketamine has been approved since 1970.

氯胺酮从1970年起就得到批准使用，最初是作为麻醉剂苯西克定的一种更安全的替代品开发出来的，苯西克定通常被称为五氯苯酚或天使尘。