支柱 /zhīzhù/ angolul

mainstay [mainstays]▼(chief support)
noun
[UK: ˈmeɪn.steɪ] [US: ˈmeɪn.ˌste]

stanchion [stanchions]▼(vertical pole, post or support)
noun
[UK: ˈstæn.tʃən] [US: ˈstæn.tʃən]