square stool的用法和樣例：
例句
- Xiao Bao carried a square stool and sat by his mother to listen to her stories.
小寶搬了個方凳坐在媽媽身邊，聽她講故事。 - Throwing a book he was holding on to a chair with a thud and sitting down on a square stool by the couch, he looked towards his father.
將手裡的一本什麼書拍的丟在一張椅子里，這曾家駒就在煙榻旁邊的方凳上坐了，臉對著他的父親。
