hearth level

例句：

1. 1. The fireplace is at a comfortable hearth level for the room.
   壁炉处于房间舒适的高度。
2. 2. The cooker is set to a hearth level that's just right for the kitchen.
   烤箱设置在适合厨房的高度。
3. 3. The fireman adjusted the fire to a hearth level that would keep the house warm.
   消防员调整了火势，使其保持在适宜的炉灶高度，以保持房屋温暖。