The train was going along at quite a lick when it entered the tunnel.火车进入隧道后以极快的速度行驶。The workers go down to the tunnels through a vertical shaft sunk from the top of the cliff.工人们经过一个从悬崖顶部开掘的竖井进入隧道。As the train entered the mouth of the tunnel, the lights came on.火车进入隧道入口时，灯亮了起来。