燃气泄漏后,住户不能开灯,更不能使用明火。Ránqì xièlòu hòu, zhùhù bù néng kāi dēng, gèng bù néng shǐyòng mínghuǒ.After a gas leak, residents must not switch on lights, let alone use an open flame.
做饭前记得先打开燃气开关。Zuòfàn qián jìde xiān dǎkāi ránqì kāiguān.Before cooking, remember to turn on the gas valve first.
新小区全部改用燃气供暖了。Xīn xiǎoqū quánbù gǎi yòng ránqì gōngnuǎn le.The new residential complex has switched entirely to gas heating.