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
I never understand what you are talking about, maybe it's the language barrier.
我从不知道你在说什么，也许这就是语言障碍吧。
He's behind the rest of the class in reading.
他在阅读方面不如班上的其他同学。
For nearly three and a half centuries she lay at the bottom of Stockholm harbour until her discovery in 1956.
这艘大船在斯德哥尔摩港口的海底躺了将近3个半世纪之后，直到1956年才被发现。