Understructure
n. 基础, 下层结构
🗣️ 情景例句
He's a real workaholic.
他是个真正的工作狂。
Will you please pick up your clothes from the floor?
能请你把地板上的衣服捡起来吗？
He married my aunt in 1971, so Clare would have been five years old.
他1968年与我伯母结婚，那么克莱尔应该已经5岁了。"