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- He vainly tried to mark the defacing stain out. 他试图除去有损外观的污迹，但没有成功。
- I put the shirt in soapy water to soak out the stain. 我将衬衫浸在肥皂水里以去除污渍。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
- We may burn limestone to obtain lime. 我们可以通过烧石灰石来得到石灰。
- I am afraid you must wash out this stain. 恐怕你必须洗掉这个污渍。
- The stain on his shirt is difficult to clean off. 他衬衣上的污点很难去除掉。
- He added some water into the lime. 他往石灰里加了些水。
- The stains have been washed away. 污点已被洗去。
- How can I take out the ink stains from my blouse? 我衬衣上的墨水印怎么能洗掉？
- These stains won't come off, I'm afraid. 我看，这些污点去不掉。
- Those grease stains won't wash off. 这些油迹洗不掉。
- I rubbed hard but the stain just wouldn't go. 我使劲擦也擦不掉那污迹。
- These ink stains won't come out (of my dress). (我的连衣裙上的)这些墨水点洗不掉。
- These ink stains won't wash out. 这些墨迹洗不掉。
- Such a man is a stain to humanity. 这种人是人类的耻辱。
- I can't get these coffee stains out of the carpet. 我弄不掉地毯上的咖啡污迹。
- This detergent can remove stubborn stains. 这种去污剂能去除难洗的污渍。
- No detergent can shift these stains. 任何清洁剂都不能除掉这些污迹。
- The inside of the kettle is encrusted with lime. 壶的内部嵌着一层石灰。
- She bleached the stains out(of her clothes). 她用漂白粉把衣服上的污渍除掉了。
