如果你将少许海水放到瓷盘中蒸发，冷却后就会有普通食盐的结晶附着在盘的四周。
If you evaporatea little sea water on a porcelain dish; on cooling, crystals of common salt will deposit on the sides of the dish.
如果你将少许海水放到瓷盘中蒸发，冷却后就会有普通食盐的结晶附着在盘的四周。
If you evaporate a little sea water on a porcelain dish; on cooling, crystals of common salt will deposit on the sides of the dish.
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