choked bore

例句：

1. 1. The choked bore in the tunnel was causing a lot of problems for us.
   隧道里的堵塞孔给我们造成了很多问题。
2. 2. The engineer had to clear the choked bore before he could start working on the project.
   工程师在开始这个项目之前，必须清理掉堵塞的孔。
3. 3. The choked bore made it difficult for the workers to move around.
   堵塞的孔使得工人难以移动。