Adcs
高级国防通信系统（advanced defense communications system）\\n先进的发展中国家advanceddevelopingcountries\\n姿态确定和控制子系统（attitude determination and control system）\\n防空指挥所（air defense command post）
🗣️ 情景例句
Then walk two blocks to the traffic light.
再走两条街到红绿灯处
A good example is the best sermon.
身教胜似言教。
What's it made of?
它是用什么做的？