block caprtal

例句：

1. 1. The engineer used a block caprtal to build the bridge.
   工程师用一块块状物建造了桥梁。
2. 2.The scientist found a block caprtal that could be used as a fuel source.
   科学家发现了一块可以用作燃料的块状物。
3. 3. The construction workers used blocks of wood to reinforce the walls.
   建筑工人使用木块加固墙壁。