bar and key grate

例句：

1. 1. The old house had a woodenbar and key grate for the frontdoor.
   这所老房子的前门有一个木制的栅栏和钥匙孔。
2. 2. The childrenwere playing on the grass with their barand key grate.
   孩子们在草地上用他们的栅栏和钥匙孔玩耍。
3. 3. The oldman was sitting on the bench with hisbar and key grate, watching thesunset.
   老人坐在长凳上，用他的栅栏和钥匙孔看着日落。