2 sentences

1. 北京人口逐渐增多。

   běi​jīng rén​kǒu zhú​jiàn zēng​duō.

   The population of Beijing is increasing gradually.

   Source: CCMatrix

2. 例如，随着降雨增多，草地会突然变成森林，反之亦然。

   lì​rú, suí​zhe jiàng​yǔ zēng​duō, cǎo​dì huì tū​rán biàn​chéng sēn​lín, fǎn​zhī​yì​rán.

   For instance, as rainfall increases grasslands can suddenly turn into forests, and vice versa.

   Source: CCMatrix