Stac
abbr. 科技咨询委员会（Science and Technology Advisory Committee）
🗣️ 情景例句
Do you know the phone number of the restaurant?
知道那家餐厅的电话号码吗
Since we need the goods urgently, we must insist on express shipment.
由于我方急需这批货物，我方坚持使用快递装运。
These glasses?
这几只吗？