peat cube

例句：

1. 1. The peat cubes were used to make the firewood.
   这些泥炭砖被用来制作木柴。
2. 2. The peat cubes were used as a fuel source for the boiler.
   这些泥炭砖被用作锅炉的燃料来源。
3. 3. The peat cubes were used to insulate the walls of the house.
   这些泥炭砖被用来隔热房子的墙壁。