唇软颚音

例句：

1. 1. She smiled at the sight of her favorite candy.
   她看到最喜欢的糖果时笑了。
2. 2. The soft palate is responsible for producing sounds in the mouth.
   软腭负责产生口腔中的声音。
3. 3. When she spoke, her lips moved quickly and smoothly.
   当她说话时，她的嘴唇快速而流畅地移动。