4 sentences

1. 天然气也是高度易燃的。

   tiān​rán​qì yě​shì gāo​dù yì​rán de.

   Natural gas is also highly flammable.

   Source: CCMatrix

2. 确保房间内没有易燃材料。

   què​bǎo fáng​jiān nèi méi​yǒu yì​rán cái​liào.

   Ensure that no flammable materials are in the room.

   Source: CCMatrix

3. 与易燃材料保持安全距离。

   yǔ yì​rán cái​liào bǎo​chí ān​quán jù​lí.

   Keep a safe distance from flammable materials.

   Source: CCMatrix

4. 酒精是易燃的。

   jiǔ​jīng shì yì​rán de.

   Alcohol is flammable.

   Source: CCMatrix