Ccah
abbr. clock cycle acknowledge handshaking 时钟周期应答交控[信号交换]
🗣️ 情景例句
The signs of the city never fail to impress the foreign tourists.
外国游客无一不对该城市留有深刻的印象。
After dinner sit a while, after supper walk a while.
午饭后要坐，晚饭后要走。
There are some clouds in the sky,but the sun is shining.
天空中飘着几朵云，但阳光灿烂。