flat volley

例句：

1. 1. The road is very flat, making it easy to drive on.
   这条路非常平坦，使得驾驶变得很容易。
2. 2. The table is flat, so I can easily put my plate on top of it.
   桌子是平的，所以我可以轻松地把我的盘子放在上面。
3. 3. Flatten the pizza with a fork before adding toppings.
   用叉子把披萨压平再放上配料。