singing margin

例句：

1. 1. The singer's performance was a highlight of the concert.
   歌手的表演是音乐会的亮点。
2. 2. The songhas a beautiful singing margin that makes iteasy to sing along.
   这首歌有美丽的唱腔边缘，让人很容易跟着唱。
3. 3. The singer's voice is so clear and powerfulthat it can be heard from a distance.
   歌手的声音如此清晰有力，即使离得很远也能听得到。