他们发现，这种粘液是一种蛋白质混合物，一部分带正电，一部分则带负电，且含有大量钙镁离子。
What they found was a mixture of proteins, some positively charged and some negatively charged, and a lot of calcium and magnesium ions.
而在对照日中，他们食用的混合物中存有正常含量的色氨酸。
On the placebo day, they were given the same mixture but with a normal amount of tryptophan.
我父母在家里的煤窖上面有个袖珍厨房，他们在里面加工面粉混合物，切洋葱和鱼块，任何可以吃的东西他们都做。
At home, my parents would be in the tiny kitchen above the coal cellar, fashioning out concoctions of flour, chopped Onions, bits of fish, anything they could get their hands on.
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