3 sentences

1. 火星具有两个永久的极地冰帽。

   huǒ​xīng jù​yǒu liǎng​ge yǒng​jiǔ de jí​dì bīng​mào.

   Mars has two permanent polar ice caps.

   Source: CCMatrix

2. 这是世界上最大的非极地冰原区。

   zhè shì shì​jiè shang zuì​dà de fēi jí​dì bīng​yuán qū.

   This is the largest non-polar ice field in the world.

   Source: CCMatrix

3. 像地球一样，火星也有四季，极地冰盖，火山，峡谷和气象。

   xiàng dì​qiú yī​yàng, huǒ​xīng yě yǒu sì​jì, jí​dì bīng​gài, huǒ​shān, xiá​gǔ hé qì​xiàng.

   Like Earth, Mars has seasons, polar ice caps, volcanoes, canyons, and weather.

   Source: CCMatrix