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
I would prefer a non-smoking room.
我想要一间不许吸烟的房间。
Why so mysterious?
干嘛神秘兮兮的？
I want my kite. It's in that tree.
我在拿我的风筝，在树上呢！