耐火 nài huǒ 🔊 refractory (material) + Review this word Meanings nài huǒ refractory (material)fire-resistant Its characters 耐nàito bear; to endure; to withstandHSK 7–9火huǒfireHSK 4 Words with 耐火 耐火砖 nài huǒ zhuān refractory brick 耐火土 nài huǒ tǔ fire clay