diffuser feeding

例句：

1. 1. The diffuser is designed todistribute the scent evenly throughout the room.
   扩散器设计用来均匀地在整个房间内散发香味。
2. 2. The feeder was made ofstainless steel and had a capacity for feedingup to 50 birds at once.
   喂食器由不锈钢制成，一次可以喂养多达50只鸟。
3. 3. The diffuserwas used to mask the smell ofthe garbage disposal unit.
   使用扩散器来掩盖垃圾处理单元的气味。