Mould the mixture into shape while hot, before it hardens.
在混合物变硬之前，趁热将其塑造成形。
食物冷却时变硬。
The mixture hardens as it cools.
这种混合物冷却时会变硬。
The heat of the sun hardens clay.
太阳的热使黏土变硬。
Lava as it cools hardens into rock.
岩浆冷却后凝成岩石。
Remember, the same heat that melts butter also hardens clay.
请记住，热可以融化黄油也可以使陶土变硬。
Even as our bones and teeth soften, the rest of our body hardens.
在我们的牙齿和骨头变软的时候，身体的其它部分却变得更硬。
Perfect for this task, as it quickly hardens back up in the desired shape.
为完善这一任务，因为它很快变硬回到了在理想的形状。
Perfect for this task, as it quickly hardens back up in the desired shape.
为完善这一任务，因为它很快变硬回到了在理想的形状。
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