Stac
abbr. 科技咨询委员会（Science and Technology Advisory Committee）
🗣️ 情景例句
How much do I owe you?
我应付你多少钱？
The firemen fight fires and rescue people.
消防队员和火灾搏斗，拯救人们。
His bike hit the bag of rice and he fell off.
他的车撞到大米上，他摔了下来。