self-discharging bucket

例句：

1. 1. This self-discharging bucket is designed to collect rainwater for later use.
   这个自放电桶设计用来收集雨水供以后使用。
2. 2. The engineer used a self-discharging bucket to collect the water from the leaking pipe.
   工程师用一个自放电桶来收集从漏水管道中漏出来的水。
3. 3.The farmers used self-discharging buckets to collect and store rainwater for irrigation purposes.
   农民们用自放电桶来收集和储存雨水用于灌溉目的。