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.
如果不能被正确的糖分子混合物所包裹，许多蛋白质都是不能正常工作的。
Many proteins will not work properly unless they are coated with the right mixture of sugar molecules.
如果同易燃低温液体有关，在异常大气条件下，易燃混合物地带会延伸到空气中的水蒸汽的浓缩产生的正常雾云以外。
If a flammable cryogenic liquid is involved, the flammable mixture zone, under unusual atmospheric conditions, may extend beyond the normal fog cloud produced by condensing water vapor in the air.
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