暴雨导致河水泛滥成灾。

bàoyǔ dǎozhì héshuǐ fànlàn chéng zāi.

Heavy rain caused the river to flood catastrophically.

假新闻的泛滥对社会造成了负面影响。

jiǎ xīnwén de fànlàn duì shèhuì zàochéngle fùmiàn yǐngxiǎng.

The proliferation of fake news has had a negative impact on society.

网络信息泛滥，需要加强管理。

wǎngluò xìnxī fànlàn, xūyào jiāqiáng guǎnlǐ.

The proliferation of online information requires strengthened management.