2 sentences for 口音 (kǒu​yīn — accent)

1. 他总是取笑我的口音。

   tā zǒng​shì qǔ​xiào wǒ de kǒu​yīn.

   He is always mocking my accent.

   Source: Dong Chinese Dictionary

2. 口音与鼻音的区别在于发音时气流是否经过鼻腔。

   kǒu​yīn yǔ bí​yīn de qū​bié zài​yú fā​yīn shí qì​liú shì​fǒu jīng​guò bí​qiāng.

   The difference between oral and nasal sounds lies in whether the airflow passes through the nasal cavity during pronunciation.

   Source: Dong Chinese Dictionary