dāng / dì / zhèng / zài / xiū / jiàn / pái / shuǐ / gōu / yǐ / jiǎn / shǎo / hóng / shuǐ / dài / lái / de / lào / hài

当地正在修建排水沟，以减少洪水带来的涝害。

The local authorities are building drainage ditches to reduce waterlogging damage caused by floods.