touch the right chord

例句：

1. 1. The artist's brush lightly touched the canvas.
   艺术家的画笔轻轻地触碰了画布。
2. 2. She reached out to touch the warm sun on her face.
   她伸出手去触摸脸上的温暖阳光。
3. 3. He gently touched his son's shoulder.
   他轻轻触摸了他的儿子的肩膀。