Understructure
n. 基础, 下层结构
🗣️ 情景例句
My father would like me to go there.
我爸爸希望我去那儿。
No way is impossible to courage.
勇敢面前没有通不过的路。
Sparks were emitted from small black boxes and red lamps flashed on and off angrily.
小黑盒子里迸出火花，红色灯泡发怒似地忽明忽暗。