jiā / rè / shuǐ / hé / wù / hòu / qí / zhōng / de / jié / jīng / shuǐ / huì / zhú / jiàn / shī / qù

加热水合物后，其中的结晶水会逐渐失去。

When a hydrate is heated, its water of crystallization gradually leaves it.