大口水罐

例句：

1. 1. The farmer uses a big water bucket to collect rainwater for irrigation.
   农民使用一个大水桶来收集雨水进行灌溉。
2. 2. After the flood, we found a big water bucket full of clean water.
   洪水过后，我们发现了一个装满干净水的大容量水桶。
3. 3. The old man carried a big water bucket to the riverbank to fetch more water.
   老人提着一个大水桶到河边去取更多的水。