政府推出的这些环保措施只是表面功夫，用来掩盖他们缺乏实际行动的事实。

The government's new environmental measures were just ___eye-wash to cover up their lack of real action.

化学实验后，她用洗眼液仔细冲洗了眼睛。

After the chemistry experiment, she rinsed her eyes carefully with ___eye-wash.