/ʃɑ:ft; US ʃæft ||; ʃæft/noun[C] 1 a long, narrow hole in which sth can go up and down or enter or leave 狭长的通道（可供某物上下移动或进出）: a lift shaft 升降机井a mine shaft 矿井
2 a bar that connects parts of a machine so that power can pass between them （机器的）轴（连接机器各部份以传送动力）