Because it is black, one can distinguish the normal coffee beans.
因为是黑色，一眼即可与正常的咖啡豆区分出来。
Outside a black hole is the normal world in which we live and on which we can experiment.
在黑洞的外面，是我们生活的正常世界，我们可以用这个世界做实验。
Thee stools were of normal caliber and consistency and have never been black.
大便的粗细和硬度正常，且从未呈黑色。
Suitable crowd: Normal and oil skin, big pore skin, black pore skin.
适用人群：中油性肤质、毛孔粗大肌肤、有黑头肌肤。
Suitable crowd: Normal and oil skin, big pore skin, black pore skin.
适用人群：中油性肤质、毛孔粗大肌肤、有黑头肌肤。
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