noun🔗Share天井, 矿井斜井 A steep shaft in a mine which joins two levels."The miners used the winze to travel quickly between the upper and lower levels of the gold mine. "矿工们利用天井（矿井斜井）快速往返于金矿的上下层之间。geologystructureindustrytechnicalChat with AIVocabulary GamePractice Reading
