假如你把油倒在水上，它就漂浮在上面。
但咖啡粉没有与奶茶融在一起，甚至咖啡粉还有些许漂浮在上层。
But the coffee and milk tea powder did not melt together, and even have a little coffee powder floating in the upper.
这个盒子内部具有磁场，刻有遇难者名字的金属板可以自由地漂浮在上方。
The box contains the names of all the victims inscribed on metal pieces that freely float in a magnetic field inside.
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