在碳酸钾中，它变成黑色，而在明矾中一开始却什么反应都没有，直到煮沸后紫色都溢出来了。
In potash it turns black, but in alum nothing happens until you bring it to the boil, then purple colour comes flooding out.
然后，它变成了后挂一辆红色平板拖车的黑色大卡车，朝她轧过来。
Then it turned into a large black truck with a red flatbed, bearing down on her.
我们把茶叶袋，一些牛奶和大量的水在一个大碗里，然后我们搅拌茶，直到它变成红色和黑色。
We put tea bags, some milk and lots of water in to a big bowl, and then we stirred the tea until it became red and dark.
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