Acda
abbr. 军备监督和裁军署（Arms Control and Disarmament Agency）
🗣️ 情景例句
Of Course. Easy. No sweat.
当然 小事情。绝无问题。
John stopped studying.
约翰停止学业了。
Sure! But why don't you come with me?
当然可以！但你为什么不同我一起去呢？