a gentle voice的用法和样例：
- She had a gentle voice and pensive expression.
- "Why are you crying?" said a gentle voice.
- The advertiser has a gentle voice and a radiant smile.
- It was a woman's voice, a gentle voice, so gentle that it was mournful.
- Wade adored "Auntee" who had a gentle voice, who always smiled and who never said: "Hush, Wade!
- Suddenly, from the depths of the surrounding cliffs, an unearthly sound arose -- low and persistent, like a gentle voice urgently narrating a story.