1 sentence

1. 环境污染是一个需要各国共同面对的国际性问题。

   huán​jìng wū​rǎn shì yī gè xū​yào gè guó gòng​tóng miàn​duì de guó​jì​xìng wèn​tí.

   Environmental pollution is an international problem that all countries must face together.

   Source: Dong Chinese Dictionary