鼻塞是流感和普通感冒的常见症状。

___Nasal congestion is a common symptom of the flu and the common cold.

感冒时我的鼻塞很严重。

I have bad ___nasal congestion when I catch a cold.

她唱歌时带有明显的鼻音。

She sings with a noticeable ___nasal quality in her voice.

英语中的'ng'音是一个鼻音。

The 'ng' sound in English is a ___nasal consonant.