Acda
abbr. 军备监督和裁军署（Arms Control and Disarmament Agency）
🗣️ 情景例句
No. Instead of exercising, I photographed the class.
没有， 没有， 我在给他们拍照。
No smoke without some fire.
无风不起浪。
'He had travelled only seven miles across the Channel when his engine failed and he was forced to land on sea.
但他只在海峡上空飞行7英里，引擎就发生了故障，他只好降落在海面上。