4 sentences

1. 菲律宾是一个岛国。

   fēi​lǜ​bīn shì yī​ge dǎo​guó.

   The Philippines is an island nation.

   Source: CCMatrix

2. 一些岛国就会消失。

   yī​xiē dǎo​guó jiù huì xiāo​shī.

   Some island countries will disappear.

   Source: CCMatrix

3. 新加坡是一个美丽的岛国。

   xīn​jiā​pō shì yī​ge měi​lì de dǎo​guó.

   Singapore is a beautiful island country.

   Source: CCMatrix

4. 新西兰是一个太平洋岛国，人口约500万。

   xīn​xī​lán shì yī​ge tài​píng​yáng dǎo​guó, rén​kǒu yuē500 wàn.

   New Zealand is a Pacific island nation of around 5 million people.

   Source: CCMatrix