Understructure
n. 基础, 下层结构
🗣️ 情景例句
Who's your favorite writer?
你最喜欢的作家是谁？
After dinner, they adjourned to the study to talk.
晚饭后，他们到书房谈话去了。
One packing case was crushed.
有一个箱子全压坏了。