The logical treatment is to remove this blockage.

　　合理的處理方法是清除這種堵塞物。

　　Oil is refined to remove naturally occurring impurities.

　　油經過提煉去除天然生成的雜質。

　　The air in the factory is filtered to remove impurities.

　　工廠里的空氣經過過濾去除雜質。

　　Vintage ports must be decanted to remove natural sediments.

　　優質的葡萄酒必須倒出以清除其中自然沉淀的雜質。

　　The report was redrafted to remove gender-specific language.

　　重新起草這個報告，刪除帶有性別特點的語言。