n.泻剂;
例句:
He was given a purgative before the operation.
他在手术前用了通便药.
This oil acts as a purgative / has a purgative effect.
这种油有催泻作用.
The popular idea of recession as purgative an ill-judged binge-has a strong and enduring emotional appeal.
衰退就像不顾后果狂饮后宿醉时的泻药,这种流行观念有着强烈并持久的情感诉求.