n.[气]拨格风(发生在西伯利亚北部冻原地区的冬季强风暴)
"There's Purga, Captain." Gregoriy Kamarov pointed to the icebreaker that would escort them to sea. "暴雪号
A twining, eastern Mexican vine(Exogonium purga)having tuberous roots that are dried, powdered, and used medicinally as a cathartic. 球根牵牛，药喇叭一种墨西哥东部的缠绕藤本植物（外蕊属泻的），其块茎晒干并研成粉末可用作通便药
A twining, eastern Mexican vine (Exogonium purga) having tuberous roots that are dried, powdered, and used medicinally as a cathartic. 球根牵牛，药喇叭：一种墨西哥东部的缠绕藤本植物（外蕊属泻的），其块茎晒干并研成粉末可用作通便药
A twining,eastern Mexican vine(Exogonium purga)having tuberous roots that are dried,powdered,and used medicinally as a cathartic. 球根牵牛，药喇叭一种墨西哥东部的缠绕藤本植物（外蕊属泻的），其块茎晒干并研成粉末可用作通便药
a twining,eastern Mexican vine(Exogonium purga) having tuberous roots that are dried,powdered,and used medicinally as a cathartic 球根牵牛，药喇叭，一种墨西哥东部的缠绕藤本植物（外蕊属泻的），其块茎晒干并研成粉末可用作通便药
vt.净化；删去
n.净化；洗罪；【中医学】下法
adj.炼狱的；涤罪的
