触底

例句：

1. 1. The cat gently touched the sleeping dog.
   猫轻轻地碰了碰睡熟的狗。
2. 2. She reached for the book on the table.
   她伸手去拿桌上的书。
3. 3. The artist's work is known for its delicate touch.
   这位艺术家的作品以其细腻的触感而闻名。