METHODS: The O/W cream base was used to prepare ZnO cream;
方法：以水包油（O/W）型基质制备乳膏；
W: Ok, no sugar no cream, black coffee and very strong. I will bring it to you right away.
W：好的，不加糖不加奶油，浓郁的纯咖啡，我这就把它给您拿过去。
W: Ok, no sugar no cream, black coffee and very strong. I will bring it to you right away.
W：好的，不加糖不加奶油，浓郁的纯咖啡，我这就把它给您拿过去。
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