名词
中文翻译：瓦砾石
同义词：
['cobblestone', 'rubble']
例句：
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1.The old building was demolished and the wallerite was used for new construction.
这座老建筑被拆除了，用瓦砾石作为新建筑的原材料。
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2. The city was rebuilt using wallerite from the old ruins.
这个城市重建使用了旧废墟中的瓦砾石。
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3.Wallerite is a natural material that can be found in many places around the world.
瓦砾石是一种自然材料，可以在世界上许多地方找到。