purges

1. vt. 清除(政敌等)；清洗 get rid of (unwanted people) in (a state,political,etc.) by removal from office,driving out of the country,killing,etc.
2. vt. 涤除(罪恶等) make clean and free from (sth evil)

1. [C]清除异己，整肃(行动)，清洗 an act or set of actions intended to get rid of unwanted members of a group suddenly,often unjustly,and often by force
2. [C]泻药 a medicine that clears the bowels of waste matter

purge gas净化气体；吹扫用的气体

purge of清洗，清除

air purge空气吹扫；空气净化

gas purge气体清洗；气体净化

1. The new president carried out a purge of disloyal army officers.
   新总统对不忠诚的陆军军官进行了一次整肃。
2. The Red Guards carried out the purge too enthusiastically, often acting without close direction from Peking.
   红卫兵非常狂热地贯彻执行了清除，横扫了北京的各个方面。
3. The medicine was an effective purge.
   这是疗效很好的泻药。
4. We may purge water by distillation.
   我们可以用蒸馏法使水净化。
5. Based on overall analysis and delicate engineering calculation, an exhaust gas purge device for EPC casting was designed.
   在此基础上，通过全面的分析和详细的工程计算，设计了消失模铸造尾气净化装置。

1. We may purge water by distillation.
   我们可以用蒸馏法使水净化。
2. They tried to purge metal of dross.
   他们试图清除金属熔化时浮升表面的渣滓。
3. We need to purge our sport of racism.
   我们必须消除体育界的种族主义。
4. The mayoral candidate has promised to purge the police department.
   市长候选人答应清洗警察部门。