我们刚买了一台新的洗碗机，这是一款非常实用的厨房电器。

We just bought a new dishwasher, which is a very useful kitchen ___appliance.

医生使用一种特殊的器械来监测患者的心率。

The doctor used a special ___appliance to monitor the patient's heart rate.

这种清洁剂的正确使用能大大提高效果。

The correct ___application of this cleaner can greatly improve the results.