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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。
- The ball is filled with gaseous mixture. 那个球充满了气体混合物。
- Do you know the constituents of the mixture? 你知道这种混合物的成分吗？
- 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。
- 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？
- A mixture of black manganese oxide minerals. 硬锰矿一种黑色氧化锰矿的混合物
- 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 listened to his excuse with a mixture of amusement and disbelief. 我怀着一种既好笑又不相信的复杂心情听了他的辩解。
- I rubbed hard but the stain just wouldn't go. 我使劲擦也擦不掉那污迹。
- Air is a mixture, not a compound of gases. 空气是气体的混合物，不是化合物。
- An explosive mixture, such as gunpowder. 火药易爆炸的混合物，如弹药
- 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。
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- These ink stains won't wash out. 这些墨迹洗不掉。
- This is a mixture of the best tobacco. 这是由最好的烟叶配制成的。
