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
Many shopping malls and supermarkets can deliver goods straight to your door.
许多购物中心和超市提供免费送货上门服务。
Mr. Wagner, do you have a hotel reservation?
华格纳先生，你预订过旅馆吗？
She's sitting under the tree.
她正在树荫下坐着。