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
He is liked very much because of his courtesy.
他由于彬彬有礼而颇获好感。
If I have enough money,I'm going to take a trip abroad.
如果我有足够的钱，我将在国外旅行。
Don't you dare come back again!
你敢再回来！