bottom round

例句：

1. 1. The bottom round on the table is a perfect spot for a game of cards.
   桌子上的底部圆形是玩牌的理想地点。
2. 2. The bottom round on the wall was once a door.
   墙上的底部圆形曾经是一个门。
3. 3. The bottom round on the table is where we always sit when we play games.
   桌子底部圆形是我们玩游戏时总是坐的地方。