支柱 zhīzhù HSK7 mainstay Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: pillar All meanings 8 zhīzhù 8 mainstay 7pillar 1 1 sentence for 支柱 (zhīzhù — pillar) 矿工们正在加固矿井里的木头支柱。 kuànggōng men zhèngzài jiāgù kuàngjǐng lǐ de mùtou zhīzhù. The miners are reinforcing the wooden pillars inside the mine. Source: Dong Chinese Dictionary