Cdma
abbr. 分码多重进接, 码分多址（Code Division Multiple Access）
🗣️ 情景例句
But?
但是什么？
My brother is two years younger than I am.
我的兄弟比我年轻2年。
it would be up and down, to and for and from side to side.
呈现出上上下下、来来回回、左左右右3种性质的运动。