Ccsso
abbr. common channel signaling switching office 共路信令交换局; Council of Chief State School Officers 重点州学校管理者委员会
🗣️ 情景例句
Well, at one o'clock
嗯， 一点钟
Hurry up!
快一点啦！
Finding that he could not remember a word of the letter either,
狱卒发现自己连一个字也记不住，