D-c block
[电] 直流闭塞
🧩 词语组成解析
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
🗣️ 情景例句
Most of the building in this town are rather unattractive, but this church is an exception.
这个城市中大部分建筑都不太好看，但这座教堂是个例外。
There is nothing either good or bad, but thinking makes it so.
事情本无好与坏，全在自己怎么想。
I will continue my learning, though I am tired of learning English.
尽管我很烦英语，我还是要学它。