Understructure
n. 基础, 下层结构
🗣️ 情景例句
Did you know that the Empire State Building is short, when compared with many of the skyscrapers today?
你知道吗？帝国大厦如果和召集的许多摩天大厦相比其实并不高。
That's 9:26 on Track 16.
9点26分，16轨道。
but only if you're blessed with a sanguine disposition
你必须性格开朗，