sample brick

例句：

1. 1. The engineer used a sample brick to test the strength of the concrete.
   工程师用一个样本砖来测试混凝土的强度。
2. 2.The construction company provided samples of their new building materials for review.
   建筑公司提供了他们新建筑材料的样本供审查。
3. 3.The architect wanted to use a sample brick from the factory to ensure consistency in the project.
   建筑师想使用工厂提供的样本砖以确保项目的一致性。