2 sentences

1. 台湾是个多山的小岛。

   tái​wān shì ge duō​shān de xiǎo​dǎo.

   Taiwan is a small mountainous island.

   Source: OpenSubtitles

2. 这是一个多山的岛屿，人口密度高。

   zhè shì yī​ge duō​shān de dǎo​yǔ, rén​kǒu​mì​dù gāo.

   It is a mountainous island with a high population density.

   Source: CCMatrix