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
You're working pretty hard these days.
你这阵子工作得很辛苦呀。
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
Ours is a fairly new country, so our cities and towns are modern.
我们的国家是个很新的国家，所以我们的城镇很现代化。