贵金属块

例句：

1. 1. The engineer measured the length of the block before cutting it.
   工程师测量了这块砖的长度后再进行切割。
2. 2. She found a large piece of wood in the woods.
   她在树林里找到了一块大木头。
3. 3. The builders used the blocks to build the house.
   建筑工人使用这些砖块来建造房子。