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
Excuse me, do you know...?
打扰一下，你知道...？
He who does not gain loses.
无所得即有所失。
He bothered me with a great many questions.
他对我提了一大堆问题，真烦！