Stc
abbr. 卫星追踪委员会（Satellite Tracking Committee）；灵敏度-时间控制（Sensitivity-Time Control）；卫星电视公司（Satellite Television Corporation）；短时常数（Short-Time Constant）
🗣️ 情景例句
The course I took was above me.
我上的这门课太难了。
What is known to three is known to everybody.
一件事情三个人知道就人人知道。
There were six million visitors in all,
参观的人数总共是600万。