backfence

例句：

1. 1.The backfence was old and in need of repair.
   后院的篱笆旧了，需要修理。
2. 2. She spent the afternoon painting the backfence.
   她花了整个下午油漆篱笆。
3. 3. The backfence was a popular spot for birdwatching.
   后院的篱笆是观鸟的好地方。