exhaust tumbling mill

例句：

1. 1. The enginewas exhausted after running for hours.
   发动机在运行了几个小时后已经耗尽。
2. 2. The firefighters were exhausted from fighting the fire.
   消防员们因为扑灭大火而筋疲力尽。
3. 3. The old car wasso worn out that it couldn'tstart.
   这辆旧车磨损得太厉害，无法启动。