heel chair

例句：

1. 1. She sat on the heel chair and read her book.
   她坐在脚凳上看书。
2. 2. The old man sat on his heel chair and watched TV.
   老人坐在他的脚凳上看电视。
3. 3. He sat on the heel chair and ate his lunch.
   他坐在脚凳上吃午饭。