Pssc
abbr. Physical Science Study Committee 自然科学研究委员会（美国科学基金会）; Personal Social Services Council 个人社会服务委员会; Pious Society of Saint Charles 圣查尔斯的虔诚社会; Public Service Satellite Consortium 公共服务卫星财团
🗣️ 情景例句
Thank you.
谢谢。
Please stop by (drop in) sometime.
请于近日过来坐坐。
There was also a great deal of machinery on display.
参展的还有很多机器，