lip elevation

例句：

1. 1. She lifted her lips to say goodbye.
   她扬起嘴唇说再见。
2. 2. The doctor used a needle to elevate the patient's lip.
   医生用针将病人的嘴唇抬高。
3. 3. The singer raised her voice to sing the song.
   歌手提高声音唱歌。