dung tub

例句：

1. 1. The farmerused a dung tub to store themanure.
   农民使用粪桶来储存粪便。
2. 2.The septic tank needs regular maintenanceto prevent contamination.
   化粪池需要定期维护以防止污染。
3. 3. The toilet tank is leaking, and we need to fix it immediately.
   马桶水箱漏水了，我们得立刻修理。