1 sentence

1. 这种燃料中掺入了一定比例的甲醇，使用时需要注意安全。

   zhè zhǒng rán​liào zhōng chān rù le yī​dìng bǐ​lì de jiǎ​chún, shǐ​yòng shí xū​yào zhù​yì ān​quán.

   A certain proportion of methanol is mixed into this fuel, so safety precautions must be taken during use.

   Source: Dong Chinese Dictionary