2 sentences

1. 大坝已经开始蓄水了。

   dà​bà yǐ​jīng kāi​shǐ xù​shuǐ le.

   The dam has already begun to store water.

   Source: Dong Chinese Dictionary

2. 把泵打开，我们要往蓄水箱里抽水。

   bǎ bèng dǎ​kāi, wǒ​men yào wǎng xù​shuǐ xiāng lǐ chōu​shuǐ.

   Turn on the pump; we need to pump water into the storage tank.

   Source: Dong Chinese Dictionary