Understructure
n. 基础, 下层结构
🗣️ 情景例句
Why don't you look at some houses, Marilyn?
何不去看一看房子呢， Marilyn？
Would it be possible for me to have a closer look at your samples?
可以让我参观一下你们的产品陈列室吗？
The city at one time must have been prosperous, for it enjoyed a high level of civilization.
这座古城肯定一度很繁荣，因为它曾享有高度的文明，