感冒时我的鼻窦经常会堵塞。

My ___sinuses often get blocked when I have a cold.

感冒时，我的鼻窦经常感到胀痛。

When I have a cold, my ___sinuses often feel swollen and painful.

医生检查发现他的鼻窦有些发炎。

The doctor found some inflammation in his ___sinuses during the examination.