Cdm
abbr. [电信学]代码分隔多路通信制（Code Division Multiplexing）；自动存款机（Cash Deposit Machine）；清洁发展机制（Clean Development Mechanism）；消费者直购销售模式（Comsumer Direct Marketing）
🗣️ 情景例句
I've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
The radio is out of order.
这收音机坏了。
Once waves have been generated,
一旦波浪形成，