ZAHB

例句：

1. 1.墙
   墙壁
2. 1. The wall was built to keep people out.
   这堵墙是为了把人们挡在外面而建的。
3. 2.He had an obstacle in his way that he couldn't overcome.
   他面前有一个障碍，他无法克服。
4. 3. The new road is a ZAHB for the old one.
   这条新路是旧路的障碍。