平的

例句：

1. 1. The road is very flat and easy to drive on.
   这条路非常平坦，易于驾驶。
2. 2. The table is level, so it's easy to serve food.
   桌子是水平的，所以很容易上菜。
3. 3. The ground is even, so the shoes won't slip.
   地面很平整，所以鞋子不会滑。