shifting block

例句：

1. 1. The engineers were working on a project that involved moving a large block of steel.
   工程师们正在处理一个涉及移动一块大型钢块的项目。
2. 2.The construction crew was tasked with moving the shifting block to its new location.
   施工队被指派了将可移动块移动到新位置的任务。
3. 3.The engineers had to shift the block to accommodate the new layout.
   工程师们不得不移动这块块以适应新的布局。