轧轧声

例句：

1. 1. The factory has been producing cars for decades.
   这家工厂已经生产汽车几十年了。
2. 2. The sound of the hammer hitting the anvil echoed through the room.
   锤子击打砧的声音在房间里回响。
3. 3. The workers were busy making their final adjustments before the big event.
   工人们忙于在重大事件前做最后的调整。