But in children under three, the auditory tube is a lotsmaller and more likely to get clogged up.

但是对于三岁以下的儿童，他们的耳咽管更小更容易被堵塞。

When kids get a cold, the auditory tube–ashaft running from the middle ear to the throat-can become filled with fluid.

当儿童感冒以后，耳咽管就会就会充满液体，耳咽管是从中耳到喉咙的通道。