Subbass
n. (风琴的)最低音栓
🗣️ 情景例句
It's so good to have you home again ...
真高兴 ，你又回家了……
What time should I be at the departure gate?
我在什么时间到登机门？
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。