Ctfc
abbr. central time and frequency control 中央时间和频率控制; Commodity Futures Trading Commission 商品期货交易佣金; communication test flash call 通信测试特急呼叫
🗣️ 情景例句
I haven't got anything to do now; I'm so bored.
我现在无事可做，感觉很无聊。
You are very justified in your answer.
你的答辩使你的行为的正当性深受认可。
So it is a comparatively simple step from locating the sea bottom to locating a shoal of fish.
从测定海深到测定鱼群，这一进展比较容易。