3 sentences

1. 300米厚的放射性雾覆盖了地球。

   300 mǐ hòu de fàng​shè​xìng wù fù​gài le dì​qiú.

   A 300m thick radioactive fog covered the Earth.

   Source: CCMatrix

2. 我们呼吸的空气中就有放射性气体。

   wǒ​men hū​xī de kōng​qì zhōng jiù yǒu fàng​shè​xìng qì​tǐ.

   There are radioactive gases in the air we breathe.

   Source: CCMatrix

3. 连香蕉里的一部分钾也具有放射性。

   lián xiāng​jiāo li de yī​bù​fen jiǎ yě jù​yǒu fàng​shè​xìng.

   Even a portion of the potassium found in bananas is radioactive.

   Source: CCMatrix