Dcm
abbr. 资料通信多工器；扩张型心肌病；直流电源（Direct-Current Main）
🗣️ 情景例句
How do you do?
你好。
Didn't I tell you he's same size to me?
我没有说过他和我一样大小吗？
The fax has greatly changed office work, especially in China.
特别是在中国，传真机大大地改变了办公室的工作。