Fdca
abbr. Federal Defense Communications Authority 联邦国防通信管理局<美国>; food; drug; and cosmetic act 食物
🗣️ 情景例句
Sorry, I'm afraid I'm busy tonight.
很抱歉，恐怕我今晚没空。
Do you work near the railway station?
你在火车站附近工作吗？
Oh, good! He's coming down the ladder, now.
噢，好！现在他正从梯子上爬下来。