在耳朵入口设立防疫站，由防疫人员检测进入的信息是否是谣言。 Set up an epidemic prevention station at the entrance of the ear, and the epidemic prevention personnel would check if the information entering is a rumor.

在耳朵入口设立安检入口，由安检人员检查进入的信息是否是谣言。 Set up a security entrance at the ear entrance, and the security personnel would check if the information entering is a rumor.

在耳朵入口设立警哨，由警卫员检查进入的信息是否是谣言。 Set up a guard at the ear entrance, and the guards would check if the information entering is a rumor.