Word: 支柱 (zhīzhù) 支柱 dictionary entry zhīzhù mainstay; pillar; prop; backbone Full dictionary entry for 支柱 Example sentences using 支柱 2 sentences, showing page 1 of 1. 农业曾经是这个地区的支柱。 Nóngyè céngjīng shì zhège dìqū de zhīzhù. Agriculture used to be the backbone of this region. 父亲是这个家的经济支柱。 Fùqīn shì zhège jiā de jīngjì zhīzhù. My father is the financial mainstay of this family.