支柱 zhī zhù 🔊 mainstay HSK 7–9 + Review this word Meanings zhī zhù mainstaypillarpropbackbone Its characters 支zhīto supportHSK 5柱zhùpillar Words with 支柱 支柱产业 zhī zhù chǎn yè mainstay industry 精神支柱 jīng shén zhī zhù moral pillars