mill streaks

例句：

1. 1. The millstones on the riverbank are atestament to the mill'slong history.
   河岸边的大石磨是这个磨坊悠久历史的见证。
2. 2. The mill's intricate machinery is a marvel of humaningenuity.
   磨坊复杂的机械装置是人类智慧的杰作。
3. 3. The mill's steam whistlesecho through the valley, signalingthe start of another day'swork.
   磨坊的蒸汽声在山谷中回荡，预示着又一天工作的开始。