I add the coal on the flame continuously.
他们这一阵子一直在修这条路。
Letting us start from now on, continuously work deepening dusk.
让我们从现在开始，一直工作到天黑。
A series or process that finishes at its starting point or continuously repeats itself; a cycle.
循环，周而复始结束在其起点或持续重复其自身的系列或过程；循环
